Home / 428,255.38-590,966.71-237,254.95

Finding the Fourth Proportional to 428,255.38, 590,966.71 and 237,254.95

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Solution

The fourth proportional to 428,255.38, 590,966.71 and 237,254.95 is: 327,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,255.38 : 590,966.71 = 237,254.95 : x
  2. Step 2: Convert to fraction form
    428,255.38/590,966.71 = 237,254.95/x
  3. Step 3: Cross multiply
    428,255.38x = 590,966.71 × 237,254.95
  4. Step 4: Simplify right side
    428,255.38x = 140,209,777,232.72
  5. Step 5: Solve for x
    x = 140,209,777,232.72/428,255.38
  6. Step 6: Final answer
    x = 327,397.59

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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.