Home / 612,398.22-918,633.08-185,947.95

Finding the Fourth Proportional to 612,398.22, 918,633.08 and 185,947.95

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Solution

The fourth proportional to 612,398.22, 918,633.08 and 185,947.95 is: 278,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,398.22 : 918,633.08 = 185,947.95 : x
  2. Step 2: Convert to fraction form
    612,398.22/918,633.08 = 185,947.95/x
  3. Step 3: Cross multiply
    612,398.22x = 918,633.08 × 185,947.95
  4. Step 4: Simplify right side
    612,398.22x = 170,817,937,098.45
  5. Step 5: Solve for x
    x = 170,817,937,098.45/612,398.22
  6. Step 6: Final answer
    x = 278,932.78

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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.