Home / 681,132.16-940,074.24-519,681.92

Finding the Fourth Proportional to 681,132.16, 940,074.24 and 519,681.92

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Solution

The fourth proportional to 681,132.16, 940,074.24 and 519,681.92 is: 717,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,132.16 : 940,074.24 = 519,681.92 : x
  2. Step 2: Convert to fraction form
    681,132.16/940,074.24 = 519,681.92/x
  3. Step 3: Cross multiply
    681,132.16x = 940,074.24 × 519,681.92
  4. Step 4: Simplify right side
    681,132.16x = 488,539,585,985.74
  5. Step 5: Solve for x
    x = 488,539,585,985.74/681,132.16
  6. Step 6: Final answer
    x = 717,246.39

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1.5x scale

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.