Home / 1,785,145.50-2,677,712.78-647,906.18

Finding the Fourth Proportional to 1,785,145.50, 2,677,712.78 and 647,906.18

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Solution

The fourth proportional to 1,785,145.50, 2,677,712.78 and 647,906.18 is: 971,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,145.50 : 2,677,712.78 = 647,906.18 : x
  2. Step 2: Convert to fraction form
    1,785,145.50/2,677,712.78 = 647,906.18/x
  3. Step 3: Cross multiply
    1,785,145.50x = 2,677,712.78 × 647,906.18
  4. Step 4: Simplify right side
    1,785,145.50x = 1,734,906,646,658.18
  5. Step 5: Solve for x
    x = 1,734,906,646,658.18/1,785,145.50
  6. Step 6: Final answer
    x = 971,857.28

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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.