Home / 683,278.39-942,704.89-381,414.07

Finding the Fourth Proportional to 683,278.39, 942,704.89 and 381,414.07

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Solution

The fourth proportional to 683,278.39, 942,704.89 and 381,414.07 is: 526,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,278.39 : 942,704.89 = 381,414.07 : x
  2. Step 2: Convert to fraction form
    683,278.39/942,704.89 = 381,414.07/x
  3. Step 3: Cross multiply
    683,278.39x = 942,704.89 × 381,414.07
  4. Step 4: Simplify right side
    683,278.39x = 359,560,908,903.80
  5. Step 5: Solve for x
    x = 359,560,908,903.80/683,278.39
  6. Step 6: Final answer
    x = 526,229.01

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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.