Home / 1,419,222.28-1,958,510.66-807,360.68

Finding the Fourth Proportional to 1,419,222.28, 1,958,510.66 and 807,360.68

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Solution

The fourth proportional to 1,419,222.28, 1,958,510.66 and 807,360.68 is: 1,114,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,222.28 : 1,958,510.66 = 807,360.68 : x
  2. Step 2: Convert to fraction form
    1,419,222.28/1,958,510.66 = 807,360.68/x
  3. Step 3: Cross multiply
    1,419,222.28x = 1,958,510.66 × 807,360.68
  4. Step 4: Simplify right side
    1,419,222.28x = 1,581,224,498,244.85
  5. Step 5: Solve for x
    x = 1,581,224,498,244.85/1,419,222.28
  6. Step 6: Final answer
    x = 1,114,148.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.