Home / 1,635,164.79-2,453,139.77-513,233.79

Finding the Fourth Proportional to 1,635,164.79, 2,453,139.77 and 513,233.79

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Solution

The fourth proportional to 1,635,164.79, 2,453,139.77 and 513,233.79 is: 769,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,164.79 : 2,453,139.77 = 513,233.79 : x
  2. Step 2: Convert to fraction form
    1,635,164.79/2,453,139.77 = 513,233.79/x
  3. Step 3: Cross multiply
    1,635,164.79x = 2,453,139.77 × 513,233.79
  4. Step 4: Simplify right side
    1,635,164.79x = 1,259,034,218,990.66
  5. Step 5: Solve for x
    x = 1,259,034,218,990.66/1,635,164.79
  6. Step 6: Final answer
    x = 769,973.91

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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.