Home / 527,630.13-791,518.95-172,573.38

Finding the Fourth Proportional to 527,630.13, 791,518.95 and 172,573.38

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Solution

The fourth proportional to 527,630.13, 791,518.95 and 172,573.38 is: 258,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,630.13 : 791,518.95 = 172,573.38 : x
  2. Step 2: Convert to fraction form
    527,630.13/791,518.95 = 172,573.38/x
  3. Step 3: Cross multiply
    527,630.13x = 791,518.95 × 172,573.38
  4. Step 4: Simplify right side
    527,630.13x = 136,595,100,535.55
  5. Step 5: Solve for x
    x = 136,595,100,535.55/527,630.13
  6. Step 6: Final answer
    x = 258,884.19

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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.