Home / 975,380.42-1,463,395.56-327,020.76

Finding the Fourth Proportional to 975,380.42, 1,463,395.56 and 327,020.76

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Solution

The fourth proportional to 975,380.42, 1,463,395.56 and 327,020.76 is: 490,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,380.42 : 1,463,395.56 = 327,020.76 : x
  2. Step 2: Convert to fraction form
    975,380.42/1,463,395.56 = 327,020.76/x
  3. Step 3: Cross multiply
    975,380.42x = 1,463,395.56 × 327,020.76
  4. Step 4: Simplify right side
    975,380.42x = 478,560,728,211.83
  5. Step 5: Solve for x
    x = 478,560,728,211.83/975,380.42
  6. Step 6: Final answer
    x = 490,640.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.