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Finding the Fourth Proportional to 1,435,963.04, 1,981,539.96 and 791,347.24

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Solution

The fourth proportional to 1,435,963.04, 1,981,539.96 and 791,347.24 is: 1,092,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,963.04 : 1,981,539.96 = 791,347.24 : x
  2. Step 2: Convert to fraction form
    1,435,963.04/1,981,539.96 = 791,347.24/x
  3. Step 3: Cross multiply
    1,435,963.04x = 1,981,539.96 × 791,347.24
  4. Step 4: Simplify right side
    1,435,963.04x = 1,568,086,178,295.71
  5. Step 5: Solve for x
    x = 1,568,086,178,295.71/1,435,963.04
  6. Step 6: Final answer
    x = 1,092,010.12

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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.