Home / 821,803.35-1,134,066.92-459,230.21

Finding the Fourth Proportional to 821,803.35, 1,134,066.92 and 459,230.21

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Solution

The fourth proportional to 821,803.35, 1,134,066.92 and 459,230.21 is: 633,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,803.35 : 1,134,066.92 = 459,230.21 : x
  2. Step 2: Convert to fraction form
    821,803.35/1,134,066.92 = 459,230.21/x
  3. Step 3: Cross multiply
    821,803.35x = 1,134,066.92 × 459,230.21
  4. Step 4: Simplify right side
    821,803.35x = 520,797,781,859.17
  5. Step 5: Solve for x
    x = 520,797,781,859.17/821,803.35
  6. Step 6: Final answer
    x = 633,725.55

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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.