Home / 941,788.20-1,412,682.30-869,903.40

Finding the Fourth Proportional to 941,788.20, 1,412,682.30 and 869,903.40

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Solution

The fourth proportional to 941,788.20, 1,412,682.30 and 869,903.40 is: 1,304,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,788.20 : 1,412,682.30 = 869,903.40 : x
  2. Step 2: Convert to fraction form
    941,788.20/1,412,682.30 = 869,903.40/x
  3. Step 3: Cross multiply
    941,788.20x = 1,412,682.30 × 869,903.40
  4. Step 4: Simplify right side
    941,788.20x = 1,228,897,135,889.82
  5. Step 5: Solve for x
    x = 1,228,897,135,889.82/941,788.20
  6. Step 6: Final answer
    x = 1,304,855.10

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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.