Home / 478,835.73-718,465.17-251,076.96

Finding the Fourth Proportional to 478,835.73, 718,465.17 and 251,076.96

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Solution

The fourth proportional to 478,835.73, 718,465.17 and 251,076.96 is: 376,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,835.73 : 718,465.17 = 251,076.96 : x
  2. Step 2: Convert to fraction form
    478,835.73/718,465.17 = 251,076.96/x
  3. Step 3: Cross multiply
    478,835.73x = 718,465.17 × 251,076.96
  4. Step 4: Simplify right side
    478,835.73x = 180,390,051,691.02
  5. Step 5: Solve for x
    x = 180,390,051,691.02/478,835.73
  6. Step 6: Final answer
    x = 376,726.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.