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Finding the Fourth Proportional to 1,435,661.83, 1,981,300.32 and 791,081.24

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Solution

The fourth proportional to 1,435,661.83, 1,981,300.32 and 791,081.24 is: 1,091,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,661.83 : 1,981,300.32 = 791,081.24 : x
  2. Step 2: Convert to fraction form
    1,435,661.83/1,981,300.32 = 791,081.24/x
  3. Step 3: Cross multiply
    1,435,661.83x = 1,981,300.32 × 791,081.24
  4. Step 4: Simplify right side
    1,435,661.83x = 1,567,369,510,002.59
  5. Step 5: Solve for x
    x = 1,567,369,510,002.59/1,435,661.83
  6. Step 6: Final answer
    x = 1,091,740.05

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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.