Home / 457,253.25-631,000.98-253,299.66

Finding the Fourth Proportional to 457,253.25, 631,000.98 and 253,299.66

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Solution

The fourth proportional to 457,253.25, 631,000.98 and 253,299.66 is: 349,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,253.25 : 631,000.98 = 253,299.66 : x
  2. Step 2: Convert to fraction form
    457,253.25/631,000.98 = 253,299.66/x
  3. Step 3: Cross multiply
    457,253.25x = 631,000.98 × 253,299.66
  4. Step 4: Simplify right side
    457,253.25x = 159,832,333,693.67
  5. Step 5: Solve for x
    x = 159,832,333,693.67/457,253.25
  6. Step 6: Final answer
    x = 349,548.82

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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.