Home / 1,217,249.81-1,679,854.18-673,376.22

Finding the Fourth Proportional to 1,217,249.81, 1,679,854.18 and 673,376.22

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Solution

The fourth proportional to 1,217,249.81, 1,679,854.18 and 673,376.22 is: 929,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,249.81 : 1,679,854.18 = 673,376.22 : x
  2. Step 2: Convert to fraction form
    1,217,249.81/1,679,854.18 = 673,376.22/x
  3. Step 3: Cross multiply
    1,217,249.81x = 1,679,854.18 × 673,376.22
  4. Step 4: Simplify right side
    1,217,249.81x = 1,131,173,849,480.33
  5. Step 5: Solve for x
    x = 1,131,173,849,480.33/1,217,249.81
  6. Step 6: Final answer
    x = 929,286.53

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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.