Home / 928,572.12-1,393,251.84-507,355.92

Finding the Fourth Proportional to 928,572.12, 1,393,251.84 and 507,355.92

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Solution

The fourth proportional to 928,572.12, 1,393,251.84 and 507,355.92 is: 761,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,572.12 : 1,393,251.84 = 507,355.92 : x
  2. Step 2: Convert to fraction form
    928,572.12/1,393,251.84 = 507,355.92/x
  3. Step 3: Cross multiply
    928,572.12x = 1,393,251.84 × 507,355.92
  4. Step 4: Simplify right side
    928,572.12x = 706,874,569,074.89
  5. Step 5: Solve for x
    x = 706,874,569,074.89/928,572.12
  6. Step 6: Final answer
    x = 761,248.97

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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.