Home / 1,245,700.96-1,719,067.39-672,741.11

Finding the Fourth Proportional to 1,245,700.96, 1,719,067.39 and 672,741.11

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Solution

The fourth proportional to 1,245,700.96, 1,719,067.39 and 672,741.11 is: 928,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,700.96 : 1,719,067.39 = 672,741.11 : x
  2. Step 2: Convert to fraction form
    1,245,700.96/1,719,067.39 = 672,741.11/x
  3. Step 3: Cross multiply
    1,245,700.96x = 1,719,067.39 × 672,741.11
  4. Step 4: Simplify right side
    1,245,700.96x = 1,156,487,306,729.22
  5. Step 5: Solve for x
    x = 1,156,487,306,729.22/1,245,700.96
  6. Step 6: Final answer
    x = 928,382.77

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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.