Home / 856,377.82-1,181,805.90-483,842.41

Finding the Fourth Proportional to 856,377.82, 1,181,805.90 and 483,842.41

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Solution

The fourth proportional to 856,377.82, 1,181,805.90 and 483,842.41 is: 667,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,377.82 : 1,181,805.90 = 483,842.41 : x
  2. Step 2: Convert to fraction form
    856,377.82/1,181,805.90 = 483,842.41/x
  3. Step 3: Cross multiply
    856,377.82x = 1,181,805.90 × 483,842.41
  4. Step 4: Simplify right side
    856,377.82x = 571,807,816,686.95
  5. Step 5: Solve for x
    x = 571,807,816,686.95/856,377.82
  6. Step 6: Final answer
    x = 667,705.08

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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.