Home / 334,890.60-501,461.10-319,144.20

Finding the Fourth Proportional to 334,890.60, 501,461.10 and 319,144.20

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Solution

The fourth proportional to 334,890.60, 501,461.10 and 319,144.20 is: 477,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,890.60 : 501,461.10 = 319,144.20 : x
  2. Step 2: Convert to fraction form
    334,890.60/501,461.10 = 319,144.20/x
  3. Step 3: Cross multiply
    334,890.60x = 501,461.10 × 319,144.20
  4. Step 4: Simplify right side
    334,890.60x = 160,038,401,590.62
  5. Step 5: Solve for x
    x = 160,038,401,590.62/334,890.60
  6. Step 6: Final answer
    x = 477,882.63

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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.