Home / 424,020.06-585,153.38-230,431.61

Finding the Fourth Proportional to 424,020.06, 585,153.38 and 230,431.61

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Solution

The fourth proportional to 424,020.06, 585,153.38 and 230,431.61 is: 317,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,020.06 : 585,153.38 = 230,431.61 : x
  2. Step 2: Convert to fraction form
    424,020.06/585,153.38 = 230,431.61/x
  3. Step 3: Cross multiply
    424,020.06x = 585,153.38 × 230,431.61
  4. Step 4: Simplify right side
    424,020.06x = 134,837,831,372.42
  5. Step 5: Solve for x
    x = 134,837,831,372.42/424,020.06
  6. Step 6: Final answer
    x = 317,998.71

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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.