Home / 1,182,191.20-1,773,286.80-709,410.40

Finding the Fourth Proportional to 1,182,191.20, 1,773,286.80 and 709,410.40

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Solution

The fourth proportional to 1,182,191.20, 1,773,286.80 and 709,410.40 is: 1,064,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,191.20 : 1,773,286.80 = 709,410.40 : x
  2. Step 2: Convert to fraction form
    1,182,191.20/1,773,286.80 = 709,410.40/x
  3. Step 3: Cross multiply
    1,182,191.20x = 1,773,286.80 × 709,410.40
  4. Step 4: Simplify right side
    1,182,191.20x = 1,257,988,098,102.72
  5. Step 5: Solve for x
    x = 1,257,988,098,102.72/1,182,191.20
  6. Step 6: Final answer
    x = 1,064,115.60

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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.