Home / 821,803.85-1,134,067.61-459,230.71

Finding the Fourth Proportional to 821,803.85, 1,134,067.61 and 459,230.71

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Solution

The fourth proportional to 821,803.85, 1,134,067.61 and 459,230.71 is: 633,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,803.85 : 1,134,067.61 = 459,230.71 : x
  2. Step 2: Convert to fraction form
    821,803.85/1,134,067.61 = 459,230.71/x
  3. Step 3: Cross multiply
    821,803.85x = 1,134,067.61 × 459,230.71
  4. Step 4: Simplify right side
    821,803.85x = 520,798,665,761.81
  5. Step 5: Solve for x
    x = 520,798,665,761.81/821,803.85
  6. Step 6: Final answer
    x = 633,726.24

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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.