Home / 457,442.24-631,294.56-253,515.42

Finding the Fourth Proportional to 457,442.24, 631,294.56 and 253,515.42

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Solution

The fourth proportional to 457,442.24, 631,294.56 and 253,515.42 is: 349,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,442.24 : 631,294.56 = 253,515.42 : x
  2. Step 2: Convert to fraction form
    457,442.24/631,294.56 = 253,515.42/x
  3. Step 3: Cross multiply
    457,442.24x = 631,294.56 × 253,515.42
  4. Step 4: Simplify right side
    457,442.24x = 160,042,905,522.12
  5. Step 5: Solve for x
    x = 160,042,905,522.12/457,442.24
  6. Step 6: Final answer
    x = 349,864.73

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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.