Home / 927,466.80-1,391,200.20-328,423.20

Finding the Fourth Proportional to 927,466.80, 1,391,200.20 and 328,423.20

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Solution

The fourth proportional to 927,466.80, 1,391,200.20 and 328,423.20 is: 492,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,466.80 : 1,391,200.20 = 328,423.20 : x
  2. Step 2: Convert to fraction form
    927,466.80/1,391,200.20 = 328,423.20/x
  3. Step 3: Cross multiply
    927,466.80x = 1,391,200.20 × 328,423.20
  4. Step 4: Simplify right side
    927,466.80x = 456,902,421,524.64
  5. Step 5: Solve for x
    x = 456,902,421,524.64/927,466.80
  6. Step 6: Final answer
    x = 492,634.80

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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.