Home / 1,112,037.38-1,667,424.11-437,753.54

Finding the Fourth Proportional to 1,112,037.38, 1,667,424.11 and 437,753.54

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Solution

The fourth proportional to 1,112,037.38, 1,667,424.11 and 437,753.54 is: 656,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,037.38 : 1,667,424.11 = 437,753.54 : x
  2. Step 2: Convert to fraction form
    1,112,037.38/1,667,424.11 = 437,753.54/x
  3. Step 3: Cross multiply
    1,112,037.38x = 1,667,424.11 × 437,753.54
  4. Step 4: Simplify right side
    1,112,037.38x = 729,920,806,833.85
  5. Step 5: Solve for x
    x = 729,920,806,833.85/1,112,037.38
  6. Step 6: Final answer
    x = 656,381.54

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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.