Home / 1,253,024.28-1,729,175.19-680,064.45

Finding the Fourth Proportional to 1,253,024.28, 1,729,175.19 and 680,064.45

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Solution

The fourth proportional to 1,253,024.28, 1,729,175.19 and 680,064.45 is: 938,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,024.28 : 1,729,175.19 = 680,064.45 : x
  2. Step 2: Convert to fraction form
    1,253,024.28/1,729,175.19 = 680,064.45/x
  3. Step 3: Cross multiply
    1,253,024.28x = 1,729,175.19 × 680,064.45
  4. Step 4: Simplify right side
    1,253,024.28x = 1,175,950,574,541.00
  5. Step 5: Solve for x
    x = 1,175,950,574,541.00/1,253,024.28
  6. Step 6: Final answer
    x = 938,489.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.