Home / 480,541.20-720,876.60-165,094.80

Finding the Fourth Proportional to 480,541.20, 720,876.60 and 165,094.80

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Solution

The fourth proportional to 480,541.20, 720,876.60 and 165,094.80 is: 247,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,541.20 : 720,876.60 = 165,094.80 : x
  2. Step 2: Convert to fraction form
    480,541.20/720,876.60 = 165,094.80/x
  3. Step 3: Cross multiply
    480,541.20x = 720,876.60 × 165,094.80
  4. Step 4: Simplify right side
    480,541.20x = 119,012,978,101.68
  5. Step 5: Solve for x
    x = 119,012,978,101.68/480,541.20
  6. Step 6: Final answer
    x = 247,664.46

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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.