Home / 926,179.76-1,389,434.88-327,488.52

Finding the Fourth Proportional to 926,179.76, 1,389,434.88 and 327,488.52

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Solution

The fourth proportional to 926,179.76, 1,389,434.88 and 327,488.52 is: 491,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,179.76 : 1,389,434.88 = 327,488.52 : x
  2. Step 2: Convert to fraction form
    926,179.76/1,389,434.88 = 327,488.52/x
  3. Step 3: Cross multiply
    926,179.76x = 1,389,434.88 × 327,488.52
  4. Step 4: Simplify right side
    926,179.76x = 455,023,972,487.58
  5. Step 5: Solve for x
    x = 455,023,972,487.58/926,179.76
  6. Step 6: Final answer
    x = 491,291.21

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1.5x scale

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.