Home / 787,650.70-1,181,476.05-366,969.10

Finding the Fourth Proportional to 787,650.70, 1,181,476.05 and 366,969.10

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Solution

The fourth proportional to 787,650.70, 1,181,476.05 and 366,969.10 is: 550,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,650.70 : 1,181,476.05 = 366,969.10 : x
  2. Step 2: Convert to fraction form
    787,650.70/1,181,476.05 = 366,969.10/x
  3. Step 3: Cross multiply
    787,650.70x = 1,181,476.05 × 366,969.10
  4. Step 4: Simplify right side
    787,650.70x = 433,565,202,740.06
  5. Step 5: Solve for x
    x = 433,565,202,740.06/787,650.70
  6. Step 6: Final answer
    x = 550,453.65

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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.