Home / 1,195,687.76-1,650,038.28-659,143.76

Finding the Fourth Proportional to 1,195,687.76, 1,650,038.28 and 659,143.76

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Solution

The fourth proportional to 1,195,687.76, 1,650,038.28 and 659,143.76 is: 909,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,687.76 : 1,650,038.28 = 659,143.76 : x
  2. Step 2: Convert to fraction form
    1,195,687.76/1,650,038.28 = 659,143.76/x
  3. Step 3: Cross multiply
    1,195,687.76x = 1,650,038.28 × 659,143.76
  4. Step 4: Simplify right side
    1,195,687.76x = 1,087,612,436,023.13
  5. Step 5: Solve for x
    x = 1,087,612,436,023.13/1,195,687.76
  6. Step 6: Final answer
    x = 909,612.42

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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.