Home / 625,828.52-938,432.10-199,308.74

Finding the Fourth Proportional to 625,828.52, 938,432.10 and 199,308.74

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Solution

The fourth proportional to 625,828.52, 938,432.10 and 199,308.74 is: 298,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,828.52 : 938,432.10 = 199,308.74 : x
  2. Step 2: Convert to fraction form
    625,828.52/938,432.10 = 199,308.74/x
  3. Step 3: Cross multiply
    625,828.52x = 938,432.10 × 199,308.74
  4. Step 4: Simplify right side
    625,828.52x = 187,037,714,734.39
  5. Step 5: Solve for x
    x = 187,037,714,734.39/625,828.52
  6. Step 6: Final answer
    x = 298,864.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.