Home / 484,619.60-727,145.40-169,302.80

Finding the Fourth Proportional to 484,619.60, 727,145.40 and 169,302.80

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Solution

The fourth proportional to 484,619.60, 727,145.40 and 169,302.80 is: 254,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,619.60 : 727,145.40 = 169,302.80 : x
  2. Step 2: Convert to fraction form
    484,619.60/727,145.40 = 169,302.80/x
  3. Step 3: Cross multiply
    484,619.60x = 727,145.40 × 169,302.80
  4. Step 4: Simplify right side
    484,619.60x = 123,107,752,227.12
  5. Step 5: Solve for x
    x = 123,107,752,227.12/484,619.60
  6. Step 6: Final answer
    x = 254,029.66

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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.