Home / 1,173,325-1,619,188.50-636,781

Finding the Fourth Proportional to 1,173,325, 1,619,188.50 and 636,781

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Solution

The fourth proportional to 1,173,325, 1,619,188.50 and 636,781 is: 878,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,325 : 1,619,188.50 = 636,781 : x
  2. Step 2: Convert to fraction form
    1,173,325/1,619,188.50 = 636,781/x
  3. Step 3: Cross multiply
    1,173,325x = 1,619,188.50 × 636,781
  4. Step 4: Simplify right side
    1,173,325x = 1,031,068,472,218.50
  5. Step 5: Solve for x
    x = 1,031,068,472,218.50/1,173,325
  6. Step 6: Final answer
    x = 878,757.78

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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.