Home / 410,214.73-615,394.35-140,279.41

Finding the Fourth Proportional to 410,214.73, 615,394.35 and 140,279.41

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Solution

The fourth proportional to 410,214.73, 615,394.35 and 140,279.41 is: 210,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,214.73 : 615,394.35 = 140,279.41 : x
  2. Step 2: Convert to fraction form
    410,214.73/615,394.35 = 140,279.41/x
  3. Step 3: Cross multiply
    410,214.73x = 615,394.35 × 140,279.41
  4. Step 4: Simplify right side
    410,214.73x = 86,327,156,335.33
  5. Step 5: Solve for x
    x = 86,327,156,335.33/410,214.73
  6. Step 6: Final answer
    x = 210,443.82

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1.5x scale

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.