Home / 729,438.80-1,094,158.20-516,862.40

Finding the Fourth Proportional to 729,438.80, 1,094,158.20 and 516,862.40

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Solution

The fourth proportional to 729,438.80, 1,094,158.20 and 516,862.40 is: 775,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,438.80 : 1,094,158.20 = 516,862.40 : x
  2. Step 2: Convert to fraction form
    729,438.80/1,094,158.20 = 516,862.40/x
  3. Step 3: Cross multiply
    729,438.80x = 1,094,158.20 × 516,862.40
  4. Step 4: Simplify right side
    729,438.80x = 565,529,233,231.68
  5. Step 5: Solve for x
    x = 565,529,233,231.68/729,438.80
  6. Step 6: Final answer
    x = 775,293.60

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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.