Home / 767,520.40-1,151,179.80-235,094.80

Finding the Fourth Proportional to 767,520.40, 1,151,179.80 and 235,094.80

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Solution

The fourth proportional to 767,520.40, 1,151,179.80 and 235,094.80 is: 352,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,520.40 : 1,151,179.80 = 235,094.80 : x
  2. Step 2: Convert to fraction form
    767,520.40/1,151,179.80 = 235,094.80/x
  3. Step 3: Cross multiply
    767,520.40x = 1,151,179.80 × 235,094.80
  4. Step 4: Simplify right side
    767,520.40x = 270,636,384,845.04
  5. Step 5: Solve for x
    x = 270,636,384,845.04/767,520.40
  6. Step 6: Final answer
    x = 352,611.32

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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.