Home / 612,399.14-918,634.46-185,948.87

Finding the Fourth Proportional to 612,399.14, 918,634.46 and 185,948.87

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Solution

The fourth proportional to 612,399.14, 918,634.46 and 185,948.87 is: 278,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,399.14 : 918,634.46 = 185,948.87 : x
  2. Step 2: Convert to fraction form
    612,399.14/918,634.46 = 185,948.87/x
  3. Step 3: Cross multiply
    612,399.14x = 918,634.46 × 185,948.87
  4. Step 4: Simplify right side
    612,399.14x = 170,819,034,257.14
  5. Step 5: Solve for x
    x = 170,819,034,257.14/612,399.14
  6. Step 6: Final answer
    x = 278,934.15

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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.