Home / 1,040,138.80-1,560,359.40-441,098.80

Finding the Fourth Proportional to 1,040,138.80, 1,560,359.40 and 441,098.80

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Solution

The fourth proportional to 1,040,138.80, 1,560,359.40 and 441,098.80 is: 661,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,138.80 : 1,560,359.40 = 441,098.80 : x
  2. Step 2: Convert to fraction form
    1,040,138.80/1,560,359.40 = 441,098.80/x
  3. Step 3: Cross multiply
    1,040,138.80x = 1,560,359.40 × 441,098.80
  4. Step 4: Simplify right side
    1,040,138.80x = 688,272,658,908.72
  5. Step 5: Solve for x
    x = 688,272,658,908.72/1,040,138.80
  6. Step 6: Final answer
    x = 661,712.32

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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.