Home / 785,702.52-1,179,140.76-532,382.40

Finding the Fourth Proportional to 785,702.52, 1,179,140.76 and 532,382.40

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Solution

The fourth proportional to 785,702.52, 1,179,140.76 and 532,382.40 is: 798,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,702.52 : 1,179,140.76 = 532,382.40 : x
  2. Step 2: Convert to fraction form
    785,702.52/1,179,140.76 = 532,382.40/x
  3. Step 3: Cross multiply
    785,702.52x = 1,179,140.76 × 532,382.40
  4. Step 4: Simplify right side
    785,702.52x = 627,753,787,746.62
  5. Step 5: Solve for x
    x = 627,753,787,746.62/785,702.52
  6. Step 6: Final answer
    x = 798,971.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.