Home / 495,436.40-743,068.20-179,730.80

Finding the Fourth Proportional to 495,436.40, 743,068.20 and 179,730.80

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Solution

The fourth proportional to 495,436.40, 743,068.20 and 179,730.80 is: 269,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,436.40 : 743,068.20 = 179,730.80 : x
  2. Step 2: Convert to fraction form
    495,436.40/743,068.20 = 179,730.80/x
  3. Step 3: Cross multiply
    495,436.40x = 743,068.20 × 179,730.80
  4. Step 4: Simplify right side
    495,436.40x = 133,552,242,040.56
  5. Step 5: Solve for x
    x = 133,552,242,040.56/495,436.40
  6. Step 6: Final answer
    x = 269,564.86

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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.