Home / 466,175.45-643,617.85-319,246.26

Finding the Fourth Proportional to 466,175.45, 643,617.85 and 319,246.26

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Solution

The fourth proportional to 466,175.45, 643,617.85 and 319,246.26 is: 440,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,175.45 : 643,617.85 = 319,246.26 : x
  2. Step 2: Convert to fraction form
    466,175.45/643,617.85 = 319,246.26/x
  3. Step 3: Cross multiply
    466,175.45x = 643,617.85 × 319,246.26
  4. Step 4: Simplify right side
    466,175.45x = 205,472,592,489.00
  5. Step 5: Solve for x
    x = 205,472,592,489.00/466,175.45
  6. Step 6: Final answer
    x = 440,762.36

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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.