Home / 738,836.20-1,108,254.30-177,870.70

Finding the Fourth Proportional to 738,836.20, 1,108,254.30 and 177,870.70

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Solution

The fourth proportional to 738,836.20, 1,108,254.30 and 177,870.70 is: 266,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,836.20 : 1,108,254.30 = 177,870.70 : x
  2. Step 2: Convert to fraction form
    738,836.20/1,108,254.30 = 177,870.70/x
  3. Step 3: Cross multiply
    738,836.20x = 1,108,254.30 × 177,870.70
  4. Step 4: Simplify right side
    738,836.20x = 197,125,968,119.01
  5. Step 5: Solve for x
    x = 197,125,968,119.01/738,836.20
  6. Step 6: Final answer
    x = 266,806.05

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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.