Home / 881,179.65-1,215,936.30-518,581.94

Finding the Fourth Proportional to 881,179.65, 1,215,936.30 and 518,581.94

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Solution

The fourth proportional to 881,179.65, 1,215,936.30 and 518,581.94 is: 715,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,179.65 : 1,215,936.30 = 518,581.94 : x
  2. Step 2: Convert to fraction form
    881,179.65/1,215,936.30 = 518,581.94/x
  3. Step 3: Cross multiply
    881,179.65x = 1,215,936.30 × 518,581.94
  4. Step 4: Simplify right side
    881,179.65x = 630,562,599,290.74
  5. Step 5: Solve for x
    x = 630,562,599,290.74/881,179.65
  6. Step 6: Final answer
    x = 715,589.15

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Double scale
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1.5x scale

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.