Home / 804,694.39-1,110,479.69-442,115.10

Finding the Fourth Proportional to 804,694.39, 1,110,479.69 and 442,115.10

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Solution

The fourth proportional to 804,694.39, 1,110,479.69 and 442,115.10 is: 610,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,694.39 : 1,110,479.69 = 442,115.10 : x
  2. Step 2: Convert to fraction form
    804,694.39/1,110,479.69 = 442,115.10/x
  3. Step 3: Cross multiply
    804,694.39x = 1,110,479.69 × 442,115.10
  4. Step 4: Simplify right side
    804,694.39x = 490,959,840,297.61
  5. Step 5: Solve for x
    x = 490,959,840,297.61/804,694.39
  6. Step 6: Final answer
    x = 610,119.63

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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.