Home / 922,120.16-1,272,531.40-514,247.82

Finding the Fourth Proportional to 922,120.16, 1,272,531.40 and 514,247.82

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Solution

The fourth proportional to 922,120.16, 1,272,531.40 and 514,247.82 is: 709,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,120.16 : 1,272,531.40 = 514,247.82 : x
  2. Step 2: Convert to fraction form
    922,120.16/1,272,531.40 = 514,247.82/x
  3. Step 3: Cross multiply
    922,120.16x = 1,272,531.40 × 514,247.82
  4. Step 4: Simplify right side
    922,120.16x = 654,396,498,331.55
  5. Step 5: Solve for x
    x = 654,396,498,331.55/922,120.16
  6. Step 6: Final answer
    x = 709,665.10

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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.