Home / 911,415.33-1,257,749.12-503,517.24

Finding the Fourth Proportional to 911,415.33, 1,257,749.12 and 503,517.24

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Solution

The fourth proportional to 911,415.33, 1,257,749.12 and 503,517.24 is: 694,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,415.33 : 1,257,749.12 = 503,517.24 : x
  2. Step 2: Convert to fraction form
    911,415.33/1,257,749.12 = 503,517.24/x
  3. Step 3: Cross multiply
    911,415.33x = 1,257,749.12 × 503,517.24
  4. Step 4: Simplify right side
    911,415.33x = 633,298,362,997.24
  5. Step 5: Solve for x
    x = 633,298,362,997.24/911,415.33
  6. Step 6: Final answer
    x = 694,851.56

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1.5x scale

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.