Home / 912,827.45-1,259,604.90-504,864.47

Finding the Fourth Proportional to 912,827.45, 1,259,604.90 and 504,864.47

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Solution

The fourth proportional to 912,827.45, 1,259,604.90 and 504,864.47 is: 696,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,827.45 : 1,259,604.90 = 504,864.47 : x
  2. Step 2: Convert to fraction form
    912,827.45/1,259,604.90 = 504,864.47/x
  3. Step 3: Cross multiply
    912,827.45x = 1,259,604.90 × 504,864.47
  4. Step 4: Simplify right side
    912,827.45x = 635,929,753,949.88
  5. Step 5: Solve for x
    x = 635,929,753,949.88/912,827.45
  6. Step 6: Final answer
    x = 696,659.33

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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.