Home / 821,772.96-1,134,024.90-459,199.82

Finding the Fourth Proportional to 821,772.96, 1,134,024.90 and 459,199.82

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Solution

The fourth proportional to 821,772.96, 1,134,024.90 and 459,199.82 is: 633,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,772.96 : 1,134,024.90 = 459,199.82 : x
  2. Step 2: Convert to fraction form
    821,772.96/1,134,024.90 = 459,199.82/x
  3. Step 3: Cross multiply
    821,772.96x = 1,134,024.90 × 459,199.82
  4. Step 4: Simplify right side
    821,772.96x = 520,744,024,285.39
  5. Step 5: Solve for x
    x = 520,744,024,285.39/821,772.96
  6. Step 6: Final answer
    x = 633,683.57

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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.