Home / 963,355.50-1,329,432.18-527,763.27

Finding the Fourth Proportional to 963,355.50, 1,329,432.18 and 527,763.27

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Solution

The fourth proportional to 963,355.50, 1,329,432.18 and 527,763.27 is: 728,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,355.50 : 1,329,432.18 = 527,763.27 : x
  2. Step 2: Convert to fraction form
    963,355.50/1,329,432.18 = 527,763.27/x
  3. Step 3: Cross multiply
    963,355.50x = 1,329,432.18 × 527,763.27
  4. Step 4: Simplify right side
    963,355.50x = 701,625,474,560.03
  5. Step 5: Solve for x
    x = 701,625,474,560.03/963,355.50
  6. Step 6: Final answer
    x = 728,314.18

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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.