Home / 567,192.66-782,742.27-312,560.25

Finding the Fourth Proportional to 567,192.66, 782,742.27 and 312,560.25

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Solution

The fourth proportional to 567,192.66, 782,742.27 and 312,560.25 is: 431,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,192.66 : 782,742.27 = 312,560.25 : x
  2. Step 2: Convert to fraction form
    567,192.66/782,742.27 = 312,560.25/x
  3. Step 3: Cross multiply
    567,192.66x = 782,742.27 × 312,560.25
  4. Step 4: Simplify right side
    567,192.66x = 244,654,117,833.59
  5. Step 5: Solve for x
    x = 244,654,117,833.59/567,192.66
  6. Step 6: Final answer
    x = 431,342.18

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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.