Home / 914,778.20-1,371,904.86-636,066.92

Finding the Fourth Proportional to 914,778.20, 1,371,904.86 and 636,066.92

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Solution

The fourth proportional to 914,778.20, 1,371,904.86 and 636,066.92 is: 953,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,778.20 : 1,371,904.86 = 636,066.92 : x
  2. Step 2: Convert to fraction form
    914,778.20/1,371,904.86 = 636,066.92/x
  3. Step 3: Cross multiply
    914,778.20x = 1,371,904.86 × 636,066.92
  4. Step 4: Simplify right side
    914,778.20x = 872,623,298,833.23
  5. Step 5: Solve for x
    x = 872,623,298,833.23/914,778.20
  6. Step 6: Final answer
    x = 953,917.90

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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.