Home / 746,325.20-1,119,487.80-185,359.70

Finding the Fourth Proportional to 746,325.20, 1,119,487.80 and 185,359.70

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Solution

The fourth proportional to 746,325.20, 1,119,487.80 and 185,359.70 is: 278,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,325.20 : 1,119,487.80 = 185,359.70 : x
  2. Step 2: Convert to fraction form
    746,325.20/1,119,487.80 = 185,359.70/x
  3. Step 3: Cross multiply
    746,325.20x = 1,119,487.80 × 185,359.70
  4. Step 4: Simplify right side
    746,325.20x = 207,507,922,761.66
  5. Step 5: Solve for x
    x = 207,507,922,761.66/746,325.20
  6. Step 6: Final answer
    x = 278,039.55

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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.