Home / 756,065.20-1,134,097.80-195,099.70

Finding the Fourth Proportional to 756,065.20, 1,134,097.80 and 195,099.70

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Solution

The fourth proportional to 756,065.20, 1,134,097.80 and 195,099.70 is: 292,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,065.20 : 1,134,097.80 = 195,099.70 : x
  2. Step 2: Convert to fraction form
    756,065.20/1,134,097.80 = 195,099.70/x
  3. Step 3: Cross multiply
    756,065.20x = 1,134,097.80 × 195,099.70
  4. Step 4: Simplify right side
    756,065.20x = 221,262,140,550.66
  5. Step 5: Solve for x
    x = 221,262,140,550.66/756,065.20
  6. Step 6: Final answer
    x = 292,649.55

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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.