Home / 1,320,592.83-1,981,173.29-409,757.03

Finding the Fourth Proportional to 1,320,592.83, 1,981,173.29 and 409,757.03

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Solution

The fourth proportional to 1,320,592.83, 1,981,173.29 and 409,757.03 is: 614,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,592.83 : 1,981,173.29 = 409,757.03 : x
  2. Step 2: Convert to fraction form
    1,320,592.83/1,981,173.29 = 409,757.03/x
  3. Step 3: Cross multiply
    1,320,592.83x = 1,981,173.29 × 409,757.03
  4. Step 4: Simplify right side
    1,320,592.83x = 811,799,678,700.48
  5. Step 5: Solve for x
    x = 811,799,678,700.48/1,320,592.83
  6. Step 6: Final answer
    x = 614,723.68

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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.