Home / 1,287,848.13-1,777,141.50-714,843.18

Finding the Fourth Proportional to 1,287,848.13, 1,777,141.50 and 714,843.18

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Solution

The fourth proportional to 1,287,848.13, 1,777,141.50 and 714,843.18 is: 986,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,848.13 : 1,777,141.50 = 714,843.18 : x
  2. Step 2: Convert to fraction form
    1,287,848.13/1,777,141.50 = 714,843.18/x
  3. Step 3: Cross multiply
    1,287,848.13x = 1,777,141.50 × 714,843.18
  4. Step 4: Simplify right side
    1,287,848.13x = 1,270,377,481,169.97
  5. Step 5: Solve for x
    x = 1,270,377,481,169.97/1,287,848.13
  6. Step 6: Final answer
    x = 986,434.23

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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.