Home / 481,056.60-721,844.10-200,602.20

Finding the Fourth Proportional to 481,056.60, 721,844.10 and 200,602.20

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Solution

The fourth proportional to 481,056.60, 721,844.10 and 200,602.20 is: 301,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,056.60 : 721,844.10 = 200,602.20 : x
  2. Step 2: Convert to fraction form
    481,056.60/721,844.10 = 200,602.20/x
  3. Step 3: Cross multiply
    481,056.60x = 721,844.10 × 200,602.20
  4. Step 4: Simplify right side
    481,056.60x = 144,803,514,517.02
  5. Step 5: Solve for x
    x = 144,803,514,517.02/481,056.60
  6. Step 6: Final answer
    x = 301,011.39

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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.