Home / 714,418.92-985,947.39-472,281.57

Finding the Fourth Proportional to 714,418.92, 985,947.39 and 472,281.57

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Solution

The fourth proportional to 714,418.92, 985,947.39 and 472,281.57 is: 651,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,418.92 : 985,947.39 = 472,281.57 : x
  2. Step 2: Convert to fraction form
    714,418.92/985,947.39 = 472,281.57/x
  3. Step 3: Cross multiply
    714,418.92x = 985,947.39 × 472,281.57
  4. Step 4: Simplify right side
    714,418.92x = 465,644,781,286.60
  5. Step 5: Solve for x
    x = 465,644,781,286.60/714,418.92
  6. Step 6: Final answer
    x = 651,781.14

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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.