Home / 1,245,691.80-1,719,054.72-672,732.12

Finding the Fourth Proportional to 1,245,691.80, 1,719,054.72 and 672,732.12

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Solution

The fourth proportional to 1,245,691.80, 1,719,054.72 and 672,732.12 is: 928,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,691.80 : 1,719,054.72 = 672,732.12 : x
  2. Step 2: Convert to fraction form
    1,245,691.80/1,719,054.72 = 672,732.12/x
  3. Step 3: Cross multiply
    1,245,691.80x = 1,719,054.72 × 672,732.12
  4. Step 4: Simplify right side
    1,245,691.80x = 1,156,463,326,181.61
  5. Step 5: Solve for x
    x = 1,156,463,326,181.61/1,245,691.80
  6. Step 6: Final answer
    x = 928,370.35

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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.