Home / 567,001.24-782,461.35-312,352.43

Finding the Fourth Proportional to 567,001.24, 782,461.35 and 312,352.43

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Solution

The fourth proportional to 567,001.24, 782,461.35 and 312,352.43 is: 431,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,001.24 : 782,461.35 = 312,352.43 : x
  2. Step 2: Convert to fraction form
    567,001.24/782,461.35 = 312,352.43/x
  3. Step 3: Cross multiply
    567,001.24x = 782,461.35 × 312,352.43
  4. Step 4: Simplify right side
    567,001.24x = 244,403,700,141.27
  5. Step 5: Solve for x
    x = 244,403,700,141.27/567,001.24
  6. Step 6: Final answer
    x = 431,046.15

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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.