Home / 625,111.56-862,654.35-338,632.79

Finding the Fourth Proportional to 625,111.56, 862,654.35 and 338,632.79

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Solution

The fourth proportional to 625,111.56, 862,654.35 and 338,632.79 is: 467,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,111.56 : 862,654.35 = 338,632.79 : x
  2. Step 2: Convert to fraction form
    625,111.56/862,654.35 = 338,632.79/x
  3. Step 3: Cross multiply
    625,111.56x = 862,654.35 × 338,632.79
  4. Step 4: Simplify right side
    625,111.56x = 292,123,046,302.74
  5. Step 5: Solve for x
    x = 292,123,046,302.74/625,111.56
  6. Step 6: Final answer
    x = 467,313.46

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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.