Home / 653,057.50-979,964.18-273,944.28

Finding the Fourth Proportional to 653,057.50, 979,964.18 and 273,944.28

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Solution

The fourth proportional to 653,057.50, 979,964.18 and 273,944.28 is: 411,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,057.50 : 979,964.18 = 273,944.28 : x
  2. Step 2: Convert to fraction form
    653,057.50/979,964.18 = 273,944.28/x
  3. Step 3: Cross multiply
    653,057.50x = 979,964.18 × 273,944.28
  4. Step 4: Simplify right side
    653,057.50x = 268,455,581,715.89
  5. Step 5: Solve for x
    x = 268,455,581,715.89/653,057.50
  6. Step 6: Final answer
    x = 411,074.95

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Double scale
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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.