Home / 625,022.67-862,531.53-338,541.87

Finding the Fourth Proportional to 625,022.67, 862,531.53 and 338,541.87

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Solution

The fourth proportional to 625,022.67, 862,531.53 and 338,541.87 is: 467,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,022.67 : 862,531.53 = 338,541.87 : x
  2. Step 2: Convert to fraction form
    625,022.67/862,531.53 = 338,541.87/x
  3. Step 3: Cross multiply
    625,022.67x = 862,531.53 × 338,541.87
  4. Step 4: Simplify right side
    625,022.67x = 292,003,031,094.79
  5. Step 5: Solve for x
    x = 292,003,031,094.79/625,022.67
  6. Step 6: Final answer
    x = 467,187.91

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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.