Home / 527,897.20-791,838.60-172,922.80

Finding the Fourth Proportional to 527,897.20, 791,838.60 and 172,922.80

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Solution

The fourth proportional to 527,897.20, 791,838.60 and 172,922.80 is: 259,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,897.20 : 791,838.60 = 172,922.80 : x
  2. Step 2: Convert to fraction form
    527,897.20/791,838.60 = 172,922.80/x
  3. Step 3: Cross multiply
    527,897.20x = 791,838.60 × 172,922.80
  4. Step 4: Simplify right side
    527,897.20x = 136,926,947,860.08
  5. Step 5: Solve for x
    x = 136,926,947,860.08/527,897.20
  6. Step 6: Final answer
    x = 259,381.84

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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.