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Finding the Fourth Proportional to 1,435,898.31, 1,981,581.17 and 791,360.01

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Solution

The fourth proportional to 1,435,898.31, 1,981,581.17 and 791,360.01 is: 1,092,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,898.31 : 1,981,581.17 = 791,360.01 : x
  2. Step 2: Convert to fraction form
    1,435,898.31/1,981,581.17 = 791,360.01/x
  3. Step 3: Cross multiply
    1,435,898.31x = 1,981,581.17 × 791,360.01
  4. Step 4: Simplify right side
    1,435,898.31x = 1,568,144,090,550.21
  5. Step 5: Solve for x
    x = 1,568,144,090,550.21/1,435,898.31
  6. Step 6: Final answer
    x = 1,092,099.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.