Home / 912,380.15-1,259,062.17-504,471.17

Finding the Fourth Proportional to 912,380.15, 1,259,062.17 and 504,471.17

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Solution

The fourth proportional to 912,380.15, 1,259,062.17 and 504,471.17 is: 696,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,380.15 : 1,259,062.17 = 504,471.17 : x
  2. Step 2: Convert to fraction form
    912,380.15/1,259,062.17 = 504,471.17/x
  3. Step 3: Cross multiply
    912,380.15x = 1,259,062.17 × 504,471.17
  4. Step 4: Simplify right side
    912,380.15x = 635,160,566,002.64
  5. Step 5: Solve for x
    x = 635,160,566,002.64/912,380.15
  6. Step 6: Final answer
    x = 696,157.81

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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.