Home / 419,733.03-579,214.68-228,742.32

Finding the Fourth Proportional to 419,733.03, 579,214.68 and 228,742.32

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Solution

The fourth proportional to 419,733.03, 579,214.68 and 228,742.32 is: 315,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,733.03 : 579,214.68 = 228,742.32 : x
  2. Step 2: Convert to fraction form
    419,733.03/579,214.68 = 228,742.32/x
  3. Step 3: Cross multiply
    419,733.03x = 579,214.68 × 228,742.32
  4. Step 4: Simplify right side
    419,733.03x = 132,490,909,681.26
  5. Step 5: Solve for x
    x = 132,490,909,681.26/419,733.03
  6. Step 6: Final answer
    x = 315,655.19

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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.