Home / 625,535.20-938,084.10-325,916.20

Finding the Fourth Proportional to 625,535.20, 938,084.10 and 325,916.20

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Solution

The fourth proportional to 625,535.20, 938,084.10 and 325,916.20 is: 488,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,535.20 : 938,084.10 = 325,916.20 : x
  2. Step 2: Convert to fraction form
    625,535.20/938,084.10 = 325,916.20/x
  3. Step 3: Cross multiply
    625,535.20x = 938,084.10 × 325,916.20
  4. Step 4: Simplify right side
    625,535.20x = 305,736,805,152.42
  5. Step 5: Solve for x
    x = 305,736,805,152.42/625,535.20
  6. Step 6: Final answer
    x = 488,760.35

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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.