Home / 382,775.38-528,222.20-239,614.36

Finding the Fourth Proportional to 382,775.38, 528,222.20 and 239,614.36

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Solution

The fourth proportional to 382,775.38, 528,222.20 and 239,614.36 is: 330,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,775.38 : 528,222.20 = 239,614.36 : x
  2. Step 2: Convert to fraction form
    382,775.38/528,222.20 = 239,614.36/x
  3. Step 3: Cross multiply
    382,775.38x = 528,222.20 × 239,614.36
  4. Step 4: Simplify right side
    382,775.38x = 126,569,624,390.79
  5. Step 5: Solve for x
    x = 126,569,624,390.79/382,775.38
  6. Step 6: Final answer
    x = 330,662.92

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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.