Home / 1,360,032.56-1,876,729.24-787,108.24

Finding the Fourth Proportional to 1,360,032.56, 1,876,729.24 and 787,108.24

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Solution

The fourth proportional to 1,360,032.56, 1,876,729.24 and 787,108.24 is: 1,086,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,032.56 : 1,876,729.24 = 787,108.24 : x
  2. Step 2: Convert to fraction form
    1,360,032.56/1,876,729.24 = 787,108.24/x
  3. Step 3: Cross multiply
    1,360,032.56x = 1,876,729.24 × 787,108.24
  4. Step 4: Simplify right side
    1,360,032.56x = 1,477,189,049,052.94
  5. Step 5: Solve for x
    x = 1,477,189,049,052.94/1,360,032.56
  6. Step 6: Final answer
    x = 1,086,142.41

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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.