Home / 598,971.20-898,456.80-480,873.20

Finding the Fourth Proportional to 598,971.20, 898,456.80 and 480,873.20

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Solution

The fourth proportional to 598,971.20, 898,456.80 and 480,873.20 is: 721,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,971.20 : 898,456.80 = 480,873.20 : x
  2. Step 2: Convert to fraction form
    598,971.20/898,456.80 = 480,873.20/x
  3. Step 3: Cross multiply
    598,971.20x = 898,456.80 × 480,873.20
  4. Step 4: Simplify right side
    598,971.20x = 432,043,796,477.76
  5. Step 5: Solve for x
    x = 432,043,796,477.76/598,971.20
  6. Step 6: Final answer
    x = 721,309.80

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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.