Home / 1,248,401.79-1,723,984.55-1,180,393.13

Finding the Fourth Proportional to 1,248,401.79, 1,723,984.55 and 1,180,393.13

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Solution

The fourth proportional to 1,248,401.79, 1,723,984.55 and 1,180,393.13 is: 1,630,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,401.79 : 1,723,984.55 = 1,180,393.13 : x
  2. Step 2: Convert to fraction form
    1,248,401.79/1,723,984.55 = 1,180,393.13/x
  3. Step 3: Cross multiply
    1,248,401.79x = 1,723,984.55 × 1,180,393.13
  4. Step 4: Simplify right side
    1,248,401.79x = 2,034,979,504,524.25
  5. Step 5: Solve for x
    x = 2,034,979,504,524.25/1,248,401.79
  6. Step 6: Final answer
    x = 1,630,067.76

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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.