Home / 928,605.91-1,391,115.11-685,017.43

Finding the Fourth Proportional to 928,605.91, 1,391,115.11 and 685,017.43

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Solution

The fourth proportional to 928,605.91, 1,391,115.11 and 685,017.43 is: 1,026,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,605.91 : 1,391,115.11 = 685,017.43 : x
  2. Step 2: Convert to fraction form
    928,605.91/1,391,115.11 = 685,017.43/x
  3. Step 3: Cross multiply
    928,605.91x = 1,391,115.11 × 685,017.43
  4. Step 4: Simplify right side
    928,605.91x = 952,938,094,061.28
  5. Step 5: Solve for x
    x = 952,938,094,061.28/928,605.91
  6. Step 6: Final answer
    x = 1,026,202.92

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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.