Home / 416,934.40-575,431.18-263,986.78

Finding the Fourth Proportional to 416,934.40, 575,431.18 and 263,986.78

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Solution

The fourth proportional to 416,934.40, 575,431.18 and 263,986.78 is: 364,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,934.40 : 575,431.18 = 263,986.78 : x
  2. Step 2: Convert to fraction form
    416,934.40/575,431.18 = 263,986.78/x
  3. Step 3: Cross multiply
    416,934.40x = 575,431.18 × 263,986.78
  4. Step 4: Simplify right side
    416,934.40x = 151,906,224,319.80
  5. Step 5: Solve for x
    x = 151,906,224,319.80/416,934.40
  6. Step 6: Final answer
    x = 364,340.83

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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.