Home / 1,039,717.60-1,560,159.60-440,576.80

Finding the Fourth Proportional to 1,039,717.60, 1,560,159.60 and 440,576.80

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Solution

The fourth proportional to 1,039,717.60, 1,560,159.60 and 440,576.80 is: 661,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,717.60 : 1,560,159.60 = 440,576.80 : x
  2. Step 2: Convert to fraction form
    1,039,717.60/1,560,159.60 = 440,576.80/x
  3. Step 3: Cross multiply
    1,039,717.60x = 1,560,159.60 × 440,576.80
  4. Step 4: Simplify right side
    1,039,717.60x = 687,370,124,057.28
  5. Step 5: Solve for x
    x = 687,370,124,057.28/1,039,717.60
  6. Step 6: Final answer
    x = 661,112.33

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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.