Home / 725,896.53-1,088,846.51-220,461.39

Finding the Fourth Proportional to 725,896.53, 1,088,846.51 and 220,461.39

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Solution

The fourth proportional to 725,896.53, 1,088,846.51 and 220,461.39 is: 330,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,896.53 : 1,088,846.51 = 220,461.39 : x
  2. Step 2: Convert to fraction form
    725,896.53/1,088,846.51 = 220,461.39/x
  3. Step 3: Cross multiply
    725,896.53x = 1,088,846.51 × 220,461.39
  4. Step 4: Simplify right side
    725,896.53x = 240,048,613,988.94
  5. Step 5: Solve for x
    x = 240,048,613,988.94/725,896.53
  6. Step 6: Final answer
    x = 330,692.60

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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.