Home / 1,039,969.20-1,560,245.40-441,217.20

Finding the Fourth Proportional to 1,039,969.20, 1,560,245.40 and 441,217.20

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Solution

The fourth proportional to 1,039,969.20, 1,560,245.40 and 441,217.20 is: 661,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,969.20 : 1,560,245.40 = 441,217.20 : x
  2. Step 2: Convert to fraction form
    1,039,969.20/1,560,245.40 = 441,217.20/x
  3. Step 3: Cross multiply
    1,039,969.20x = 1,560,245.40 × 441,217.20
  4. Step 4: Simplify right side
    1,039,969.20x = 688,407,106,700.88
  5. Step 5: Solve for x
    x = 688,407,106,700.88/1,039,969.20
  6. Step 6: Final answer
    x = 661,949.51

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Double scale
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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.