Home / 780,757.20-1,169,823.60-514,380.60

Finding the Fourth Proportional to 780,757.20, 1,169,823.60 and 514,380.60

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Solution

The fourth proportional to 780,757.20, 1,169,823.60 and 514,380.60 is: 770,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,757.20 : 1,169,823.60 = 514,380.60 : x
  2. Step 2: Convert to fraction form
    780,757.20/1,169,823.60 = 514,380.60/x
  3. Step 3: Cross multiply
    780,757.20x = 1,169,823.60 × 514,380.60
  4. Step 4: Simplify right side
    780,757.20x = 601,734,565,262.16
  5. Step 5: Solve for x
    x = 601,734,565,262.16/780,757.20
  6. Step 6: Final answer
    x = 770,706.39

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1.5x scale

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.