Home / 1,207,452.10-1,811,178.15-543,900.10

Finding the Fourth Proportional to 1,207,452.10, 1,811,178.15 and 543,900.10

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Solution

The fourth proportional to 1,207,452.10, 1,811,178.15 and 543,900.10 is: 815,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,452.10 : 1,811,178.15 = 543,900.10 : x
  2. Step 2: Convert to fraction form
    1,207,452.10/1,811,178.15 = 543,900.10/x
  3. Step 3: Cross multiply
    1,207,452.10x = 1,811,178.15 × 543,900.10
  4. Step 4: Simplify right side
    1,207,452.10x = 985,099,976,902.82
  5. Step 5: Solve for x
    x = 985,099,976,902.82/1,207,452.10
  6. Step 6: Final answer
    x = 815,850.15

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Half scale
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Double scale
Find fourth proportional to 1,207,453.10, 1,811,179.65 and 543,901.10
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.