Home / 373,827.18-515,820.69-220,844.10

Finding the Fourth Proportional to 373,827.18, 515,820.69 and 220,844.10

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Solution

The fourth proportional to 373,827.18, 515,820.69 and 220,844.10 is: 304,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,827.18 : 515,820.69 = 220,844.10 : x
  2. Step 2: Convert to fraction form
    373,827.18/515,820.69 = 220,844.10/x
  3. Step 3: Cross multiply
    373,827.18x = 515,820.69 × 220,844.10
  4. Step 4: Simplify right side
    373,827.18x = 113,915,956,044.43
  5. Step 5: Solve for x
    x = 113,915,956,044.43/373,827.18
  6. Step 6: Final answer
    x = 304,728.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.