Home / 1,344,172.16-1,854,825-800,143.76

Finding the Fourth Proportional to 1,344,172.16, 1,854,825 and 800,143.76

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Solution

The fourth proportional to 1,344,172.16, 1,854,825 and 800,143.76 is: 1,104,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,172.16 : 1,854,825 = 800,143.76 : x
  2. Step 2: Convert to fraction form
    1,344,172.16/1,854,825 = 800,143.76/x
  3. Step 3: Cross multiply
    1,344,172.16x = 1,854,825 × 800,143.76
  4. Step 4: Simplify right side
    1,344,172.16x = 1,484,126,649,642
  5. Step 5: Solve for x
    x = 1,484,126,649,642/1,344,172.16
  6. Step 6: Final answer
    x = 1,104,119.47

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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.