Home / 1,779,119.87-2,668,279.61-818,654.17

Finding the Fourth Proportional to 1,779,119.87, 2,668,279.61 and 818,654.17

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Solution

The fourth proportional to 1,779,119.87, 2,668,279.61 and 818,654.17 is: 1,227,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,119.87 : 2,668,279.61 = 818,654.17 : x
  2. Step 2: Convert to fraction form
    1,779,119.87/2,668,279.61 = 818,654.17/x
  3. Step 3: Cross multiply
    1,779,119.87x = 2,668,279.61 × 818,654.17
  4. Step 4: Simplify right side
    1,779,119.87x = 2,184,398,229,452.47
  5. Step 5: Solve for x
    x = 2,184,398,229,452.47/1,779,119.87
  6. Step 6: Final answer
    x = 1,227,797.11

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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.