Home / 625,101.13-862,638.73-338,622.36

Finding the Fourth Proportional to 625,101.13, 862,638.73 and 338,622.36

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Solution

The fourth proportional to 625,101.13, 862,638.73 and 338,622.36 is: 467,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,101.13 : 862,638.73 = 338,622.36 : x
  2. Step 2: Convert to fraction form
    625,101.13/862,638.73 = 338,622.36/x
  3. Step 3: Cross multiply
    625,101.13x = 862,638.73 × 338,622.36
  4. Step 4: Simplify right side
    625,101.13x = 292,108,762,580.00
  5. Step 5: Solve for x
    x = 292,108,762,580.00/625,101.13
  6. Step 6: Final answer
    x = 467,298.41

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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.