Home / 541,933.68-812,979.72-261,220.08

Finding the Fourth Proportional to 541,933.68, 812,979.72 and 261,220.08

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Solution

The fourth proportional to 541,933.68, 812,979.72 and 261,220.08 is: 391,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,933.68 : 812,979.72 = 261,220.08 : x
  2. Step 2: Convert to fraction form
    541,933.68/812,979.72 = 261,220.08/x
  3. Step 3: Cross multiply
    541,933.68x = 812,979.72 × 261,220.08
  4. Step 4: Simplify right side
    541,933.68x = 212,366,627,496.78
  5. Step 5: Solve for x
    x = 212,366,627,496.78/541,933.68
  6. Step 6: Final answer
    x = 391,868.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.