Home / 741,679.80-1,112,519.70-180,714.30

Finding the Fourth Proportional to 741,679.80, 1,112,519.70 and 180,714.30

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Solution

The fourth proportional to 741,679.80, 1,112,519.70 and 180,714.30 is: 271,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,679.80 : 1,112,519.70 = 180,714.30 : x
  2. Step 2: Convert to fraction form
    741,679.80/1,112,519.70 = 180,714.30/x
  3. Step 3: Cross multiply
    741,679.80x = 1,112,519.70 × 180,714.30
  4. Step 4: Simplify right side
    741,679.80x = 201,048,218,821.71
  5. Step 5: Solve for x
    x = 201,048,218,821.71/741,679.80
  6. Step 6: Final answer
    x = 271,071.45

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Double scale
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Similar ratio
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1.5x scale

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.