Home / 428,447.17-591,257.58-237,460.71

Finding the Fourth Proportional to 428,447.17, 591,257.58 and 237,460.71

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Solution

The fourth proportional to 428,447.17, 591,257.58 and 237,460.71 is: 327,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,447.17 : 591,257.58 = 237,460.71 : x
  2. Step 2: Convert to fraction form
    428,447.17/591,257.58 = 237,460.71/x
  3. Step 3: Cross multiply
    428,447.17x = 591,257.58 × 237,460.71
  4. Step 4: Simplify right side
    428,447.17x = 140,400,446,066.42
  5. Step 5: Solve for x
    x = 140,400,446,066.42/428,447.17
  6. Step 6: Final answer
    x = 327,696.05

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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.