Home / 669,180.02-1,003,770.65-550,602.10

Finding the Fourth Proportional to 669,180.02, 1,003,770.65 and 550,602.10

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Solution

The fourth proportional to 669,180.02, 1,003,770.65 and 550,602.10 is: 825,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,180.02 : 1,003,770.65 = 550,602.10 : x
  2. Step 2: Convert to fraction form
    669,180.02/1,003,770.65 = 550,602.10/x
  3. Step 3: Cross multiply
    669,180.02x = 1,003,770.65 × 550,602.10
  4. Step 4: Simplify right side
    669,180.02x = 552,678,222,545.93
  5. Step 5: Solve for x
    x = 552,678,222,545.93/669,180.02
  6. Step 6: Final answer
    x = 825,903.65

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Double scale
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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.