Home / 334,630.20-501,945.30-319,078.20

Finding the Fourth Proportional to 334,630.20, 501,945.30 and 319,078.20

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Solution

The fourth proportional to 334,630.20, 501,945.30 and 319,078.20 is: 478,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,630.20 : 501,945.30 = 319,078.20 : x
  2. Step 2: Convert to fraction form
    334,630.20/501,945.30 = 319,078.20/x
  3. Step 3: Cross multiply
    334,630.20x = 501,945.30 × 319,078.20
  4. Step 4: Simplify right side
    334,630.20x = 160,159,802,822.46
  5. Step 5: Solve for x
    x = 160,159,802,822.46/334,630.20
  6. Step 6: Final answer
    x = 478,617.30

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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.