Home / 805,213.74-1,111,198.56-442,660.89

Finding the Fourth Proportional to 805,213.74, 1,111,198.56 and 442,660.89

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Solution

The fourth proportional to 805,213.74, 1,111,198.56 and 442,660.89 is: 610,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,213.74 : 1,111,198.56 = 442,660.89 : x
  2. Step 2: Convert to fraction form
    805,213.74/1,111,198.56 = 442,660.89/x
  3. Step 3: Cross multiply
    805,213.74x = 1,111,198.56 × 442,660.89
  4. Step 4: Simplify right side
    805,213.74x = 491,884,143,536.32
  5. Step 5: Solve for x
    x = 491,884,143,536.32/805,213.74
  6. Step 6: Final answer
    x = 610,874.01

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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.