Home / 578,839.28-798,543.75-349,268.52

Finding the Fourth Proportional to 578,839.28, 798,543.75 and 349,268.52

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Solution

The fourth proportional to 578,839.28, 798,543.75 and 349,268.52 is: 481,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,839.28 : 798,543.75 = 349,268.52 : x
  2. Step 2: Convert to fraction form
    578,839.28/798,543.75 = 349,268.52/x
  3. Step 3: Cross multiply
    578,839.28x = 798,543.75 × 349,268.52
  4. Step 4: Simplify right side
    578,839.28x = 278,906,189,725.03
  5. Step 5: Solve for x
    x = 278,906,189,725.03/578,839.28
  6. Step 6: Final answer
    x = 481,837.02

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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.