Home / 584,921.60-878,419.20-452,124.80

Finding the Fourth Proportional to 584,921.60, 878,419.20 and 452,124.80

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Solution

The fourth proportional to 584,921.60, 878,419.20 and 452,124.80 is: 678,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,921.60 : 878,419.20 = 452,124.80 : x
  2. Step 2: Convert to fraction form
    584,921.60/878,419.20 = 452,124.80/x
  3. Step 3: Cross multiply
    584,921.60x = 878,419.20 × 452,124.80
  4. Step 4: Simplify right side
    584,921.60x = 397,155,105,116.16
  5. Step 5: Solve for x
    x = 397,155,105,116.16/584,921.60
  6. Step 6: Final answer
    x = 678,988.61

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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.