Home / 533,140.99-799,711.38-213,436.76

Finding the Fourth Proportional to 533,140.99, 799,711.38 and 213,436.76

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Solution

The fourth proportional to 533,140.99, 799,711.38 and 213,436.76 is: 320,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,140.99 : 799,711.38 = 213,436.76 : x
  2. Step 2: Convert to fraction form
    533,140.99/799,711.38 = 213,436.76/x
  3. Step 3: Cross multiply
    533,140.99x = 799,711.38 × 213,436.76
  4. Step 4: Simplify right side
    533,140.99x = 170,687,801,883.77
  5. Step 5: Solve for x
    x = 170,687,801,883.77/533,140.99
  6. Step 6: Final answer
    x = 320,155.09

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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.