Home / 534,945.20-802,223.40-179,970.80

Finding the Fourth Proportional to 534,945.20, 802,223.40 and 179,970.80

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Solution

The fourth proportional to 534,945.20, 802,223.40 and 179,970.80 is: 269,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,945.20 : 802,223.40 = 179,970.80 : x
  2. Step 2: Convert to fraction form
    534,945.20/802,223.40 = 179,970.80/x
  3. Step 3: Cross multiply
    534,945.20x = 802,223.40 × 179,970.80
  4. Step 4: Simplify right side
    534,945.20x = 144,376,787,076.72
  5. Step 5: Solve for x
    x = 144,376,787,076.72/534,945.20
  6. Step 6: Final answer
    x = 269,890.80

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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.