Home / 803,983.19-1,200,191.54-688,891.65

Finding the Fourth Proportional to 803,983.19, 1,200,191.54 and 688,891.65

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Solution

The fourth proportional to 803,983.19, 1,200,191.54 and 688,891.65 is: 1,028,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,983.19 : 1,200,191.54 = 688,891.65 : x
  2. Step 2: Convert to fraction form
    803,983.19/1,200,191.54 = 688,891.65/x
  3. Step 3: Cross multiply
    803,983.19x = 1,200,191.54 × 688,891.65
  4. Step 4: Simplify right side
    803,983.19x = 826,801,926,862.18
  5. Step 5: Solve for x
    x = 826,801,926,862.18/803,983.19
  6. Step 6: Final answer
    x = 1,028,382.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.