Home / 400,300.14-552,310.47-239,084.22

Finding the Fourth Proportional to 400,300.14, 552,310.47 and 239,084.22

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Solution

The fourth proportional to 400,300.14, 552,310.47 and 239,084.22 is: 329,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,300.14 : 552,310.47 = 239,084.22 : x
  2. Step 2: Convert to fraction form
    400,300.14/552,310.47 = 239,084.22/x
  3. Step 3: Cross multiply
    400,300.14x = 552,310.47 × 239,084.22
  4. Step 4: Simplify right side
    400,300.14x = 132,048,717,917.78
  5. Step 5: Solve for x
    x = 132,048,717,917.78/400,300.14
  6. Step 6: Final answer
    x = 329,874.27

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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.