Home / 526,979.08-791,255.94-519,105.88

Finding the Fourth Proportional to 526,979.08, 791,255.94 and 519,105.88

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Solution

The fourth proportional to 526,979.08, 791,255.94 and 519,105.88 is: 779,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,979.08 : 791,255.94 = 519,105.88 : x
  2. Step 2: Convert to fraction form
    526,979.08/791,255.94 = 519,105.88/x
  3. Step 3: Cross multiply
    526,979.08x = 791,255.94 × 519,105.88
  4. Step 4: Simplify right side
    526,979.08x = 410,745,611,038.93
  5. Step 5: Solve for x
    x = 410,745,611,038.93/526,979.08
  6. Step 6: Final answer
    x = 779,434.38

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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.