Home / 336,488.75-504,731.50-319,669.91

Finding the Fourth Proportional to 336,488.75, 504,731.50 and 319,669.91

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Solution

The fourth proportional to 336,488.75, 504,731.50 and 319,669.91 is: 479,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,488.75 : 504,731.50 = 319,669.91 : x
  2. Step 2: Convert to fraction form
    336,488.75/504,731.50 = 319,669.91/x
  3. Step 3: Cross multiply
    336,488.75x = 504,731.50 × 319,669.91
  4. Step 4: Simplify right side
    336,488.75x = 161,347,473,179.17
  5. Step 5: Solve for x
    x = 161,347,473,179.17/336,488.75
  6. Step 6: Final answer
    x = 479,503.32

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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.