Home / 738,379.56-1,106,833.56-312,022.76

Finding the Fourth Proportional to 738,379.56, 1,106,833.56 and 312,022.76

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Solution

The fourth proportional to 738,379.56, 1,106,833.56 and 312,022.76 is: 467,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,379.56 : 1,106,833.56 = 312,022.76 : x
  2. Step 2: Convert to fraction form
    738,379.56/1,106,833.56 = 312,022.76/x
  3. Step 3: Cross multiply
    738,379.56x = 1,106,833.56 × 312,022.76
  4. Step 4: Simplify right side
    738,379.56x = 345,357,262,251.83
  5. Step 5: Solve for x
    x = 345,357,262,251.83/738,379.56
  6. Step 6: Final answer
    x = 467,723.22

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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.