Home / 625,111.13-862,652.58-338,632.40

Finding the Fourth Proportional to 625,111.13, 862,652.58 and 338,632.40

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Solution

The fourth proportional to 625,111.13, 862,652.58 and 338,632.40 is: 467,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,111.13 : 862,652.58 = 338,632.40 : x
  2. Step 2: Convert to fraction form
    625,111.13/862,652.58 = 338,632.40/x
  3. Step 3: Cross multiply
    625,111.13x = 862,652.58 × 338,632.40
  4. Step 4: Simplify right side
    625,111.13x = 292,122,113,531.59
  5. Step 5: Solve for x
    x = 292,122,113,531.59/625,111.13
  6. Step 6: Final answer
    x = 467,312.29

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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.