Home / 1,291,014.14-1,936,451.13-392,385.82

Finding the Fourth Proportional to 1,291,014.14, 1,936,451.13 and 392,385.82

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Solution

The fourth proportional to 1,291,014.14, 1,936,451.13 and 392,385.82 is: 588,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,014.14 : 1,936,451.13 = 392,385.82 : x
  2. Step 2: Convert to fraction form
    1,291,014.14/1,936,451.13 = 392,385.82/x
  3. Step 3: Cross multiply
    1,291,014.14x = 1,936,451.13 × 392,385.82
  4. Step 4: Simplify right side
    1,291,014.14x = 759,835,959,693.85
  5. Step 5: Solve for x
    x = 759,835,959,693.85/1,291,014.14
  6. Step 6: Final answer
    x = 588,557.43

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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.