Home / 1,270,543.81-1,753,121.73-719,255.80

Finding the Fourth Proportional to 1,270,543.81, 1,753,121.73 and 719,255.80

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Solution

The fourth proportional to 1,270,543.81, 1,753,121.73 and 719,255.80 is: 992,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,543.81 : 1,753,121.73 = 719,255.80 : x
  2. Step 2: Convert to fraction form
    1,270,543.81/1,753,121.73 = 719,255.80/x
  3. Step 3: Cross multiply
    1,270,543.81x = 1,753,121.73 × 719,255.80
  4. Step 4: Simplify right side
    1,270,543.81x = 1,260,942,972,408.53
  5. Step 5: Solve for x
    x = 1,260,942,972,408.53/1,270,543.81
  6. Step 6: Final answer
    x = 992,443.52

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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.