Home / 1,755,246.20-2,632,869.30-425,550.20

Finding the Fourth Proportional to 1,755,246.20, 2,632,869.30 and 425,550.20

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Solution

The fourth proportional to 1,755,246.20, 2,632,869.30 and 425,550.20 is: 638,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,246.20 : 2,632,869.30 = 425,550.20 : x
  2. Step 2: Convert to fraction form
    1,755,246.20/2,632,869.30 = 425,550.20/x
  3. Step 3: Cross multiply
    1,755,246.20x = 2,632,869.30 × 425,550.20
  4. Step 4: Simplify right side
    1,755,246.20x = 1,120,418,057,188.86
  5. Step 5: Solve for x
    x = 1,120,418,057,188.86/1,755,246.20
  6. Step 6: Final answer
    x = 638,325.30

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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.