Home / 1,785,335.36-2,677,158.81-691,632.45

Finding the Fourth Proportional to 1,785,335.36, 2,677,158.81 and 691,632.45

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Solution

The fourth proportional to 1,785,335.36, 2,677,158.81 and 691,632.45 is: 1,037,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,335.36 : 2,677,158.81 = 691,632.45 : x
  2. Step 2: Convert to fraction form
    1,785,335.36/2,677,158.81 = 691,632.45/x
  3. Step 3: Cross multiply
    1,785,335.36x = 2,677,158.81 × 691,632.45
  4. Step 4: Simplify right side
    1,785,335.36x = 1,851,609,906,799.38
  5. Step 5: Solve for x
    x = 1,851,609,906,799.38/1,785,335.36
  6. Step 6: Final answer
    x = 1,037,121.63

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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.