Home / 857,251.60-1,283,354.90-572,235.20

Finding the Fourth Proportional to 857,251.60, 1,283,354.90 and 572,235.20

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Solution

The fourth proportional to 857,251.60, 1,283,354.90 and 572,235.20 is: 856,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,251.60 : 1,283,354.90 = 572,235.20 : x
  2. Step 2: Convert to fraction form
    857,251.60/1,283,354.90 = 572,235.20/x
  3. Step 3: Cross multiply
    857,251.60x = 1,283,354.90 × 572,235.20
  4. Step 4: Simplify right side
    857,251.60x = 734,380,847,872.48
  5. Step 5: Solve for x
    x = 734,380,847,872.48/857,251.60
  6. Step 6: Final answer
    x = 856,668.97

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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.