Home / 1,261,171.20-1,740,453.24-688,248.36

Finding the Fourth Proportional to 1,261,171.20, 1,740,453.24 and 688,248.36

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Solution

The fourth proportional to 1,261,171.20, 1,740,453.24 and 688,248.36 is: 949,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,171.20 : 1,740,453.24 = 688,248.36 : x
  2. Step 2: Convert to fraction form
    1,261,171.20/1,740,453.24 = 688,248.36/x
  3. Step 3: Cross multiply
    1,261,171.20x = 1,740,453.24 × 688,248.36
  4. Step 4: Simplify right side
    1,261,171.20x = 1,197,864,088,086.69
  5. Step 5: Solve for x
    x = 1,197,864,088,086.69/1,261,171.20
  6. Step 6: Final answer
    x = 949,802.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.