Home / 861,951.60-1,188,923.23-539,101.19

Finding the Fourth Proportional to 861,951.60, 1,188,923.23 and 539,101.19

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Solution

The fourth proportional to 861,951.60, 1,188,923.23 and 539,101.19 is: 743,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,951.60 : 1,188,923.23 = 539,101.19 : x
  2. Step 2: Convert to fraction form
    861,951.60/1,188,923.23 = 539,101.19/x
  3. Step 3: Cross multiply
    861,951.60x = 1,188,923.23 × 539,101.19
  4. Step 4: Simplify right side
    861,951.60x = 640,949,931,757.83
  5. Step 5: Solve for x
    x = 640,949,931,757.83/861,951.60
  6. Step 6: Final answer
    x = 743,603.16

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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.