Home / 908,660.22-1,253,959.68-500,776.98

Finding the Fourth Proportional to 908,660.22, 1,253,959.68 and 500,776.98

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Solution

The fourth proportional to 908,660.22, 1,253,959.68 and 500,776.98 is: 691,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,660.22 : 1,253,959.68 = 500,776.98 : x
  2. Step 2: Convert to fraction form
    908,660.22/1,253,959.68 = 500,776.98/x
  3. Step 3: Cross multiply
    908,660.22x = 1,253,959.68 × 500,776.98
  4. Step 4: Simplify right side
    908,660.22x = 627,954,141,592.17
  5. Step 5: Solve for x
    x = 627,954,141,592.17/908,660.22
  6. Step 6: Final answer
    x = 691,076.96

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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.