Home / 1,040,916.40-1,560,208.20-441,775.60

Finding the Fourth Proportional to 1,040,916.40, 1,560,208.20 and 441,775.60

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Solution

The fourth proportional to 1,040,916.40, 1,560,208.20 and 441,775.60 is: 662,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,916.40 : 1,560,208.20 = 441,775.60 : x
  2. Step 2: Convert to fraction form
    1,040,916.40/1,560,208.20 = 441,775.60/x
  3. Step 3: Cross multiply
    1,040,916.40x = 1,560,208.20 × 441,775.60
  4. Step 4: Simplify right side
    1,040,916.40x = 689,261,913,679.92
  5. Step 5: Solve for x
    x = 689,261,913,679.92/1,040,916.40
  6. Step 6: Final answer
    x = 662,168.37

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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.