Home / 958,987.80-1,435,947.30-768,562.20

Finding the Fourth Proportional to 958,987.80, 1,435,947.30 and 768,562.20

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Solution

The fourth proportional to 958,987.80, 1,435,947.30 and 768,562.20 is: 1,150,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,987.80 : 1,435,947.30 = 768,562.20 : x
  2. Step 2: Convert to fraction form
    958,987.80/1,435,947.30 = 768,562.20/x
  3. Step 3: Cross multiply
    958,987.80x = 1,435,947.30 × 768,562.20
  4. Step 4: Simplify right side
    958,987.80x = 1,103,614,815,972.06
  5. Step 5: Solve for x
    x = 1,103,614,815,972.06/958,987.80
  6. Step 6: Final answer
    x = 1,150,812.15

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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.