Home / 319,787.33-479,982.38-235,289.84

Finding the Fourth Proportional to 319,787.33, 479,982.38 and 235,289.84

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Solution

The fourth proportional to 319,787.33, 479,982.38 and 235,289.84 is: 353,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,787.33 : 479,982.38 = 235,289.84 : x
  2. Step 2: Convert to fraction form
    319,787.33/479,982.38 = 235,289.84/x
  3. Step 3: Cross multiply
    319,787.33x = 479,982.38 × 235,289.84
  4. Step 4: Simplify right side
    319,787.33x = 112,934,973,816.66
  5. Step 5: Solve for x
    x = 112,934,973,816.66/319,787.33
  6. Step 6: Final answer
    x = 353,156.50

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1.5x scale

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.