Home / 661,785.48-992,788.96-519,625.04

Finding the Fourth Proportional to 661,785.48, 992,788.96 and 519,625.04

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Solution

The fourth proportional to 661,785.48, 992,788.96 and 519,625.04 is: 779,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,785.48 : 992,788.96 = 519,625.04 : x
  2. Step 2: Convert to fraction form
    661,785.48/992,788.96 = 519,625.04/x
  3. Step 3: Cross multiply
    661,785.48x = 992,788.96 × 519,625.04
  4. Step 4: Simplify right side
    661,785.48x = 515,878,003,051.56
  5. Step 5: Solve for x
    x = 515,878,003,051.56/661,785.48
  6. Step 6: Final answer
    x = 779,524.51

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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.