Home / 400,849.06-601,328.80-134,685.62

Finding the Fourth Proportional to 400,849.06, 601,328.80 and 134,685.62

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Solution

The fourth proportional to 400,849.06, 601,328.80 and 134,685.62 is: 202,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,849.06 : 601,328.80 = 134,685.62 : x
  2. Step 2: Convert to fraction form
    400,849.06/601,328.80 = 134,685.62/x
  3. Step 3: Cross multiply
    400,849.06x = 601,328.80 × 134,685.62
  4. Step 4: Simplify right side
    400,849.06x = 80,990,342,251.86
  5. Step 5: Solve for x
    x = 80,990,342,251.86/400,849.06
  6. Step 6: Final answer
    x = 202,046.98

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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.