Home / 725,969.70-1,088,954.55-370,865.70

Finding the Fourth Proportional to 725,969.70, 1,088,954.55 and 370,865.70

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Solution

The fourth proportional to 725,969.70, 1,088,954.55 and 370,865.70 is: 556,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,969.70 : 1,088,954.55 = 370,865.70 : x
  2. Step 2: Convert to fraction form
    725,969.70/1,088,954.55 = 370,865.70/x
  3. Step 3: Cross multiply
    725,969.70x = 1,088,954.55 × 370,865.70
  4. Step 4: Simplify right side
    725,969.70x = 403,855,891,453.94
  5. Step 5: Solve for x
    x = 403,855,891,453.94/725,969.70
  6. Step 6: Final answer
    x = 556,298.55

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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.