Home / 428,560.12-591,373.12-237,557.24

Finding the Fourth Proportional to 428,560.12, 591,373.12 and 237,557.24

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Solution

The fourth proportional to 428,560.12, 591,373.12 and 237,557.24 is: 327,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,560.12 : 591,373.12 = 237,557.24 : x
  2. Step 2: Convert to fraction form
    428,560.12/591,373.12 = 237,557.24/x
  3. Step 3: Cross multiply
    428,560.12x = 591,373.12 × 237,557.24
  4. Step 4: Simplify right side
    428,560.12x = 140,484,966,197.39
  5. Step 5: Solve for x
    x = 140,484,966,197.39/428,560.12
  6. Step 6: Final answer
    x = 327,806.90

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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.