Home / 1,487,644.20-2,233,799.10-857,788.20

Finding the Fourth Proportional to 1,487,644.20, 2,233,799.10 and 857,788.20

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Solution

The fourth proportional to 1,487,644.20, 2,233,799.10 and 857,788.20 is: 1,288,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,644.20 : 2,233,799.10 = 857,788.20 : x
  2. Step 2: Convert to fraction form
    1,487,644.20/2,233,799.10 = 857,788.20/x
  3. Step 3: Cross multiply
    1,487,644.20x = 2,233,799.10 × 857,788.20
  4. Step 4: Simplify right side
    1,487,644.20x = 1,916,126,509,150.62
  5. Step 5: Solve for x
    x = 1,916,126,509,150.62/1,487,644.20
  6. Step 6: Final answer
    x = 1,288,027.41

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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.