Home / 427,164.79-589,480.10-304,882.33

Finding the Fourth Proportional to 427,164.79, 589,480.10 and 304,882.33

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Solution

The fourth proportional to 427,164.79, 589,480.10 and 304,882.33 is: 420,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,164.79 : 589,480.10 = 304,882.33 : x
  2. Step 2: Convert to fraction form
    427,164.79/589,480.10 = 304,882.33/x
  3. Step 3: Cross multiply
    427,164.79x = 589,480.10 × 304,882.33
  4. Step 4: Simplify right side
    427,164.79x = 179,722,064,852.22
  5. Step 5: Solve for x
    x = 179,722,064,852.22/427,164.79
  6. Step 6: Final answer
    x = 420,732.39

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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.