Home / 1,054,517.61-1,581,778.73-381,074.53

Finding the Fourth Proportional to 1,054,517.61, 1,581,778.73 and 381,074.53

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Solution

The fourth proportional to 1,054,517.61, 1,581,778.73 and 381,074.53 is: 571,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,517.61 : 1,581,778.73 = 381,074.53 : x
  2. Step 2: Convert to fraction form
    1,054,517.61/1,581,778.73 = 381,074.53/x
  3. Step 3: Cross multiply
    1,054,517.61x = 1,581,778.73 × 381,074.53
  4. Step 4: Simplify right side
    1,054,517.61x = 602,775,586,098.75
  5. Step 5: Solve for x
    x = 602,775,586,098.75/1,054,517.61
  6. Step 6: Final answer
    x = 571,612.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.