Home / 419,459.04-578,655.43-283,540.37

Finding the Fourth Proportional to 419,459.04, 578,655.43 and 283,540.37

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Solution

The fourth proportional to 419,459.04, 578,655.43 and 283,540.37 is: 391,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,459.04 : 578,655.43 = 283,540.37 : x
  2. Step 2: Convert to fraction form
    419,459.04/578,655.43 = 283,540.37/x
  3. Step 3: Cross multiply
    419,459.04x = 578,655.43 × 283,540.37
  4. Step 4: Simplify right side
    419,459.04x = 164,072,171,122.58
  5. Step 5: Solve for x
    x = 164,072,171,122.58/419,459.04
  6. Step 6: Final answer
    x = 391,151.83

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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.