Home / 821,881.17-1,134,200.22-459,311.09

Finding the Fourth Proportional to 821,881.17, 1,134,200.22 and 459,311.09

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Solution

The fourth proportional to 821,881.17, 1,134,200.22 and 459,311.09 is: 633,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,881.17 : 1,134,200.22 = 459,311.09 : x
  2. Step 2: Convert to fraction form
    821,881.17/1,134,200.22 = 459,311.09/x
  3. Step 3: Cross multiply
    821,881.17x = 1,134,200.22 × 459,311.09
  4. Step 4: Simplify right side
    821,881.17x = 520,950,733,655.44
  5. Step 5: Solve for x
    x = 520,950,733,655.44/821,881.17
  6. Step 6: Final answer
    x = 633,851.65

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Double scale
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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.