Home / 1,174,928.70-1,762,034.22-812,519.88

Finding the Fourth Proportional to 1,174,928.70, 1,762,034.22 and 812,519.88

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Solution

The fourth proportional to 1,174,928.70, 1,762,034.22 and 812,519.88 is: 1,218,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,928.70 : 1,762,034.22 = 812,519.88 : x
  2. Step 2: Convert to fraction form
    1,174,928.70/1,762,034.22 = 812,519.88/x
  3. Step 3: Cross multiply
    1,174,928.70x = 1,762,034.22 × 812,519.88
  4. Step 4: Simplify right side
    1,174,928.70x = 1,431,687,832,990.29
  5. Step 5: Solve for x
    x = 1,431,687,832,990.29/1,174,928.70
  6. Step 6: Final answer
    x = 1,218,531.67

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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.