Home / 767,943.20-1,151,914.80-516,000.80

Finding the Fourth Proportional to 767,943.20, 1,151,914.80 and 516,000.80

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Solution

The fourth proportional to 767,943.20, 1,151,914.80 and 516,000.80 is: 774,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,943.20 : 1,151,914.80 = 516,000.80 : x
  2. Step 2: Convert to fraction form
    767,943.20/1,151,914.80 = 516,000.80/x
  3. Step 3: Cross multiply
    767,943.20x = 1,151,914.80 × 516,000.80
  4. Step 4: Simplify right side
    767,943.20x = 594,388,958,331.84
  5. Step 5: Solve for x
    x = 594,388,958,331.84/767,943.20
  6. Step 6: Final answer
    x = 774,001.20

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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.