Home / 397,925.13-596,512.49-198,056.57

Finding the Fourth Proportional to 397,925.13, 596,512.49 and 198,056.57

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Solution

The fourth proportional to 397,925.13, 596,512.49 and 198,056.57 is: 296,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,925.13 : 596,512.49 = 198,056.57 : x
  2. Step 2: Convert to fraction form
    397,925.13/596,512.49 = 198,056.57/x
  3. Step 3: Cross multiply
    397,925.13x = 596,512.49 × 198,056.57
  4. Step 4: Simplify right side
    397,925.13x = 118,143,217,731.56
  5. Step 5: Solve for x
    x = 118,143,217,731.56/397,925.13
  6. Step 6: Final answer
    x = 296,898.11

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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.