Home / 1,147,773.20-1,719,586.20-981,885.20

Finding the Fourth Proportional to 1,147,773.20, 1,719,586.20 and 981,885.20

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Solution

The fourth proportional to 1,147,773.20, 1,719,586.20 and 981,885.20 is: 1,471,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,773.20 : 1,719,586.20 = 981,885.20 : x
  2. Step 2: Convert to fraction form
    1,147,773.20/1,719,586.20 = 981,885.20/x
  3. Step 3: Cross multiply
    1,147,773.20x = 1,719,586.20 × 981,885.20
  4. Step 4: Simplify right side
    1,147,773.20x = 1,688,436,239,904.24
  5. Step 5: Solve for x
    x = 1,688,436,239,904.24/1,147,773.20
  6. Step 6: Final answer
    x = 1,471,053.90

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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.