Home / 814,220.82-1,123,625.63-474,754.68

Finding the Fourth Proportional to 814,220.82, 1,123,625.63 and 474,754.68

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Solution

The fourth proportional to 814,220.82, 1,123,625.63 and 474,754.68 is: 655,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,220.82 : 1,123,625.63 = 474,754.68 : x
  2. Step 2: Convert to fraction form
    814,220.82/1,123,625.63 = 474,754.68/x
  3. Step 3: Cross multiply
    814,220.82x = 1,123,625.63 × 474,754.68
  4. Step 4: Simplify right side
    814,220.82x = 533,446,524,036.68
  5. Step 5: Solve for x
    x = 533,446,524,036.68/814,220.82
  6. Step 6: Final answer
    x = 655,161.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.