Home / 4,721,123.80-7,081,685.70-4,349,115.10

Finding the Fourth Proportional to 4,721,123.80, 7,081,685.70 and 4,349,115.10

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Solution

The fourth proportional to 4,721,123.80, 7,081,685.70 and 4,349,115.10 is: 6,523,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,123.80 : 7,081,685.70 = 4,349,115.10 : x
  2. Step 2: Convert to fraction form
    4,721,123.80/7,081,685.70 = 4,349,115.10/x
  3. Step 3: Cross multiply
    4,721,123.80x = 7,081,685.70 × 4,349,115.10
  4. Step 4: Simplify right side
    4,721,123.80x = 30,799,066,211,324.07
  5. Step 5: Solve for x
    x = 30,799,066,211,324.07/4,721,123.80
  6. Step 6: Final answer
    x = 6,523,672.65

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Half scale
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Double scale
Find fourth proportional to 4,721,124.80, 7,081,687.20 and 4,349,116.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.