Home / 907,104.91-1,251,856.43-519,984.75

Finding the Fourth Proportional to 907,104.91, 1,251,856.43 and 519,984.75

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Solution

The fourth proportional to 907,104.91, 1,251,856.43 and 519,984.75 is: 717,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,104.91 : 1,251,856.43 = 519,984.75 : x
  2. Step 2: Convert to fraction form
    907,104.91/1,251,856.43 = 519,984.75/x
  3. Step 3: Cross multiply
    907,104.91x = 1,251,856.43 × 519,984.75
  4. Step 4: Simplify right side
    907,104.91x = 650,946,252,789.44
  5. Step 5: Solve for x
    x = 650,946,252,789.44/907,104.91
  6. Step 6: Final answer
    x = 717,608.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.