Home / 424,133.28-585,308.07-230,540.87

Finding the Fourth Proportional to 424,133.28, 585,308.07 and 230,540.87

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Solution

The fourth proportional to 424,133.28, 585,308.07 and 230,540.87 is: 318,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,133.28 : 585,308.07 = 230,540.87 : x
  2. Step 2: Convert to fraction form
    424,133.28/585,308.07 = 230,540.87/x
  3. Step 3: Cross multiply
    424,133.28x = 585,308.07 × 230,540.87
  4. Step 4: Simplify right side
    424,133.28x = 134,937,433,139.09
  5. Step 5: Solve for x
    x = 134,937,433,139.09/424,133.28
  6. Step 6: Final answer
    x = 318,148.66

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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.