Home / 691,633.35-954,452.13-385,710.06

Finding the Fourth Proportional to 691,633.35, 954,452.13 and 385,710.06

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Solution

The fourth proportional to 691,633.35, 954,452.13 and 385,710.06 is: 532,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,633.35 : 954,452.13 = 385,710.06 : x
  2. Step 2: Convert to fraction form
    691,633.35/954,452.13 = 385,710.06/x
  3. Step 3: Cross multiply
    691,633.35x = 954,452.13 × 385,710.06
  4. Step 4: Simplify right side
    691,633.35x = 368,141,789,293.70
  5. Step 5: Solve for x
    x = 368,141,789,293.70/691,633.35
  6. Step 6: Final answer
    x = 532,278.83

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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.