Home / 424,453-585,828.33-243,286.36

Finding the Fourth Proportional to 424,453, 585,828.33 and 243,286.36

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Solution

The fourth proportional to 424,453, 585,828.33 and 243,286.36 is: 335,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,453 : 585,828.33 = 243,286.36 : x
  2. Step 2: Convert to fraction form
    424,453/585,828.33 = 243,286.36/x
  3. Step 3: Cross multiply
    424,453x = 585,828.33 × 243,286.36
  4. Step 4: Simplify right side
    424,453x = 142,524,041,990.58
  5. Step 5: Solve for x
    x = 142,524,041,990.58/424,453
  6. Step 6: Final answer
    x = 335,782.86

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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.