Home / 912,845.18-1,259,629.44-504,882.20

Finding the Fourth Proportional to 912,845.18, 1,259,629.44 and 504,882.20

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Solution

The fourth proportional to 912,845.18, 1,259,629.44 and 504,882.20 is: 696,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,845.18 : 1,259,629.44 = 504,882.20 : x
  2. Step 2: Convert to fraction form
    912,845.18/1,259,629.44 = 504,882.20/x
  3. Step 3: Cross multiply
    912,845.18x = 1,259,629.44 × 504,882.20
  4. Step 4: Simplify right side
    912,845.18x = 635,964,482,851.97
  5. Step 5: Solve for x
    x = 635,964,482,851.97/912,845.18
  6. Step 6: Final answer
    x = 696,683.84

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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.