Home / 821,773.45-1,134,044.96-459,197.67

Finding the Fourth Proportional to 821,773.45, 1,134,044.96 and 459,197.67

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Solution

The fourth proportional to 821,773.45, 1,134,044.96 and 459,197.67 is: 633,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,773.45 : 1,134,044.96 = 459,197.67 : x
  2. Step 2: Convert to fraction form
    821,773.45/1,134,044.96 = 459,197.67/x
  3. Step 3: Cross multiply
    821,773.45x = 1,134,044.96 × 459,197.67
  4. Step 4: Simplify right side
    821,773.45x = 520,750,805,263.92
  5. Step 5: Solve for x
    x = 520,750,805,263.92/821,773.45
  6. Step 6: Final answer
    x = 633,691.44

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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.