Home / 838,419.24-1,157,169.46-494,234.64

Finding the Fourth Proportional to 838,419.24, 1,157,169.46 and 494,234.64

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Solution

The fourth proportional to 838,419.24, 1,157,169.46 and 494,234.64 is: 682,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,419.24 : 1,157,169.46 = 494,234.64 : x
  2. Step 2: Convert to fraction form
    838,419.24/1,157,169.46 = 494,234.64/x
  3. Step 3: Cross multiply
    838,419.24x = 1,157,169.46 × 494,234.64
  4. Step 4: Simplify right side
    838,419.24x = 571,913,231,482.09
  5. Step 5: Solve for x
    x = 571,913,231,482.09/838,419.24
  6. Step 6: Final answer
    x = 682,132.76

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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.