Home / 1,153,080.33-1,591,262.79-636,847.18

Finding the Fourth Proportional to 1,153,080.33, 1,591,262.79 and 636,847.18

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Solution

The fourth proportional to 1,153,080.33, 1,591,262.79 and 636,847.18 is: 878,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,080.33 : 1,591,262.79 = 636,847.18 : x
  2. Step 2: Convert to fraction form
    1,153,080.33/1,591,262.79 = 636,847.18/x
  3. Step 3: Cross multiply
    1,153,080.33x = 1,591,262.79 × 636,847.18
  4. Step 4: Simplify right side
    1,153,080.33x = 1,013,391,214,084.10
  5. Step 5: Solve for x
    x = 1,013,391,214,084.10/1,153,080.33
  6. Step 6: Final answer
    x = 878,855.70

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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.