Home / 1,755,168.75-2,632,753.13-425,472.75

Finding the Fourth Proportional to 1,755,168.75, 2,632,753.13 and 425,472.75

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Solution

The fourth proportional to 1,755,168.75, 2,632,753.13 and 425,472.75 is: 638,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,168.75 : 2,632,753.13 = 425,472.75 : x
  2. Step 2: Convert to fraction form
    1,755,168.75/2,632,753.13 = 425,472.75/x
  3. Step 3: Cross multiply
    1,755,168.75x = 2,632,753.13 × 425,472.75
  4. Step 4: Simplify right side
    1,755,168.75x = 1,120,164,712,164.84
  5. Step 5: Solve for x
    x = 1,120,164,712,164.84/1,755,168.75
  6. Step 6: Final answer
    x = 638,209.13

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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.