Home / 424,823.81-586,271.21-231,238.55

Finding the Fourth Proportional to 424,823.81, 586,271.21 and 231,238.55

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Solution

The fourth proportional to 424,823.81, 586,271.21 and 231,238.55 is: 319,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,823.81 : 586,271.21 = 231,238.55 : x
  2. Step 2: Convert to fraction form
    424,823.81/586,271.21 = 231,238.55/x
  3. Step 3: Cross multiply
    424,823.81x = 586,271.21 × 231,238.55
  4. Step 4: Simplify right side
    424,823.81x = 135,568,504,816.63
  5. Step 5: Solve for x
    x = 135,568,504,816.63/424,823.81
  6. Step 6: Final answer
    x = 319,117.02

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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.