Home / 327,423.06-489,270.78-245,838.24

Finding the Fourth Proportional to 327,423.06, 489,270.78 and 245,838.24

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Solution

The fourth proportional to 327,423.06, 489,270.78 and 245,838.24 is: 367,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,423.06 : 489,270.78 = 245,838.24 : x
  2. Step 2: Convert to fraction form
    327,423.06/489,270.78 = 245,838.24/x
  3. Step 3: Cross multiply
    327,423.06x = 489,270.78 × 245,838.24
  4. Step 4: Simplify right side
    327,423.06x = 120,281,467,438.63
  5. Step 5: Solve for x
    x = 120,281,467,438.63/327,423.06
  6. Step 6: Final answer
    x = 367,357.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.