Home / 428,899.14-591,951.69-237,974.04

Finding the Fourth Proportional to 428,899.14, 591,951.69 and 237,974.04

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Solution

The fourth proportional to 428,899.14, 591,951.69 and 237,974.04 is: 328,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,899.14 : 591,951.69 = 237,974.04 : x
  2. Step 2: Convert to fraction form
    428,899.14/591,951.69 = 237,974.04/x
  3. Step 3: Cross multiply
    428,899.14x = 591,951.69 × 237,974.04
  4. Step 4: Simplify right side
    428,899.14x = 140,869,135,154.13
  5. Step 5: Solve for x
    x = 140,869,135,154.13/428,899.14
  6. Step 6: Final answer
    x = 328,443.50

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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.