Home / 674,734.80-1,012,102.20-176,098.80

Finding the Fourth Proportional to 674,734.80, 1,012,102.20 and 176,098.80

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Solution

The fourth proportional to 674,734.80, 1,012,102.20 and 176,098.80 is: 264,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,734.80 : 1,012,102.20 = 176,098.80 : x
  2. Step 2: Convert to fraction form
    674,734.80/1,012,102.20 = 176,098.80/x
  3. Step 3: Cross multiply
    674,734.80x = 1,012,102.20 × 176,098.80
  4. Step 4: Simplify right side
    674,734.80x = 178,229,982,897.36
  5. Step 5: Solve for x
    x = 178,229,982,897.36/674,734.80
  6. Step 6: Final answer
    x = 264,148.20

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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.