Home / 334,629.20-501,943.80-319,077.20

Finding the Fourth Proportional to 334,629.20, 501,943.80 and 319,077.20

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Solution

The fourth proportional to 334,629.20, 501,943.80 and 319,077.20 is: 478,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,629.20 : 501,943.80 = 319,077.20 : x
  2. Step 2: Convert to fraction form
    334,629.20/501,943.80 = 319,077.20/x
  3. Step 3: Cross multiply
    334,629.20x = 501,943.80 × 319,077.20
  4. Step 4: Simplify right side
    334,629.20x = 160,158,822,261.36
  5. Step 5: Solve for x
    x = 160,158,822,261.36/334,629.20
  6. Step 6: Final answer
    x = 478,615.80

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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.