Home / 875,304.10-1,313,474.55-638,049.70

Finding the Fourth Proportional to 875,304.10, 1,313,474.55 and 638,049.70

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Solution

The fourth proportional to 875,304.10, 1,313,474.55 and 638,049.70 is: 957,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,304.10 : 1,313,474.55 = 638,049.70 : x
  2. Step 2: Convert to fraction form
    875,304.10/1,313,474.55 = 638,049.70/x
  3. Step 3: Cross multiply
    875,304.10x = 1,313,474.55 × 638,049.70
  4. Step 4: Simplify right side
    875,304.10x = 838,062,042,585.14
  5. Step 5: Solve for x
    x = 838,062,042,585.14/875,304.10
  6. Step 6: Final answer
    x = 957,452.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.