Home / 527,999.20-791,998.80-134,015.20

Finding the Fourth Proportional to 527,999.20, 791,998.80 and 134,015.20

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Solution

The fourth proportional to 527,999.20, 791,998.80 and 134,015.20 is: 201,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,999.20 : 791,998.80 = 134,015.20 : x
  2. Step 2: Convert to fraction form
    527,999.20/791,998.80 = 134,015.20/x
  3. Step 3: Cross multiply
    527,999.20x = 791,998.80 × 134,015.20
  4. Step 4: Simplify right side
    527,999.20x = 106,139,877,581.76
  5. Step 5: Solve for x
    x = 106,139,877,581.76/527,999.20
  6. Step 6: Final answer
    x = 201,022.80

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Similar ratio
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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.