Home / 484,985.20-727,477.80-169,401.10

Finding the Fourth Proportional to 484,985.20, 727,477.80 and 169,401.10

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Solution

The fourth proportional to 484,985.20, 727,477.80 and 169,401.10 is: 254,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,985.20 : 727,477.80 = 169,401.10 : x
  2. Step 2: Convert to fraction form
    484,985.20/727,477.80 = 169,401.10/x
  3. Step 3: Cross multiply
    484,985.20x = 727,477.80 × 169,401.10
  4. Step 4: Simplify right side
    484,985.20x = 123,235,539,545.58
  5. Step 5: Solve for x
    x = 123,235,539,545.58/484,985.20
  6. Step 6: Final answer
    x = 254,101.65

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Similar ratio
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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.