Home / 579,422.40-867,967.20-299,097.60

Finding the Fourth Proportional to 579,422.40, 867,967.20 and 299,097.60

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Solution

The fourth proportional to 579,422.40, 867,967.20 and 299,097.60 is: 448,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,422.40 : 867,967.20 = 299,097.60 : x
  2. Step 2: Convert to fraction form
    579,422.40/867,967.20 = 299,097.60/x
  3. Step 3: Cross multiply
    579,422.40x = 867,967.20 × 299,097.60
  4. Step 4: Simplify right side
    579,422.40x = 259,606,906,398.72
  5. Step 5: Solve for x
    x = 259,606,906,398.72/579,422.40
  6. Step 6: Final answer
    x = 448,044.30

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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.