Home / 526,990.33-791,272.82-519,117.13

Finding the Fourth Proportional to 526,990.33, 791,272.82 and 519,117.13

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Solution

The fourth proportional to 526,990.33, 791,272.82 and 519,117.13 is: 779,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,990.33 : 791,272.82 = 519,117.13 : x
  2. Step 2: Convert to fraction form
    526,990.33/791,272.82 = 519,117.13/x
  3. Step 3: Cross multiply
    526,990.33x = 791,272.82 × 519,117.13
  4. Step 4: Simplify right side
    526,990.33x = 410,763,275,365.41
  5. Step 5: Solve for x
    x = 410,763,275,365.41/526,990.33
  6. Step 6: Final answer
    x = 779,451.26

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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.