Home / 821,772.59-1,134,024.41-459,199.42

Finding the Fourth Proportional to 821,772.59, 1,134,024.41 and 459,199.42

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Solution

The fourth proportional to 821,772.59, 1,134,024.41 and 459,199.42 is: 633,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,772.59 : 1,134,024.41 = 459,199.42 : x
  2. Step 2: Convert to fraction form
    821,772.59/1,134,024.41 = 459,199.42/x
  3. Step 3: Cross multiply
    821,772.59x = 1,134,024.41 × 459,199.42
  4. Step 4: Simplify right side
    821,772.59x = 520,743,349,650.78
  5. Step 5: Solve for x
    x = 520,743,349,650.78/821,772.59
  6. Step 6: Final answer
    x = 633,683.04

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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.