Home / 527,616.66-791,439.77-328,512.18

Finding the Fourth Proportional to 527,616.66, 791,439.77 and 328,512.18

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Solution

The fourth proportional to 527,616.66, 791,439.77 and 328,512.18 is: 492,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,616.66 : 791,439.77 = 328,512.18 : x
  2. Step 2: Convert to fraction form
    527,616.66/791,439.77 = 328,512.18/x
  3. Step 3: Cross multiply
    527,616.66x = 791,439.77 × 328,512.18
  4. Step 4: Simplify right side
    527,616.66x = 259,997,604,181.40
  5. Step 5: Solve for x
    x = 259,997,604,181.40/527,616.66
  6. Step 6: Final answer
    x = 492,777.47

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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.