Home / 725,669.08-1,088,545.14-220,246.54

Finding the Fourth Proportional to 725,669.08, 1,088,545.14 and 220,246.54

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Solution

The fourth proportional to 725,669.08, 1,088,545.14 and 220,246.54 is: 330,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,669.08 : 1,088,545.14 = 220,246.54 : x
  2. Step 2: Convert to fraction form
    725,669.08/1,088,545.14 = 220,246.54/x
  3. Step 3: Cross multiply
    725,669.08x = 1,088,545.14 × 220,246.54
  4. Step 4: Simplify right side
    725,669.08x = 239,748,297,997.45
  5. Step 5: Solve for x
    x = 239,748,297,997.45/725,669.08
  6. Step 6: Final answer
    x = 330,382.41

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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.