Home / 382,939.93-528,436.33-210,824.24

Finding the Fourth Proportional to 382,939.93, 528,436.33 and 210,824.24

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Solution

The fourth proportional to 382,939.93, 528,436.33 and 210,824.24 is: 290,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,939.93 : 528,436.33 = 210,824.24 : x
  2. Step 2: Convert to fraction form
    382,939.93/528,436.33 = 210,824.24/x
  3. Step 3: Cross multiply
    382,939.93x = 528,436.33 × 210,824.24
  4. Step 4: Simplify right side
    382,939.93x = 111,407,187,660.64
  5. Step 5: Solve for x
    x = 111,407,187,660.64/382,939.93
  6. Step 6: Final answer
    x = 290,926.01

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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.