Home / 821,776.46-1,134,049.10-459,200.68

Finding the Fourth Proportional to 821,776.46, 1,134,049.10 and 459,200.68

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Solution

The fourth proportional to 821,776.46, 1,134,049.10 and 459,200.68 is: 633,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,776.46 : 1,134,049.10 = 459,200.68 : x
  2. Step 2: Convert to fraction form
    821,776.46/1,134,049.10 = 459,200.68/x
  3. Step 3: Cross multiply
    821,776.46x = 1,134,049.10 × 459,200.68
  4. Step 4: Simplify right side
    821,776.46x = 520,756,117,873.39
  5. Step 5: Solve for x
    x = 520,756,117,873.39/821,776.46
  6. Step 6: Final answer
    x = 633,695.59

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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.