Home / 756,066.86-1,043,360.04-411,906.90

Finding the Fourth Proportional to 756,066.86, 1,043,360.04 and 411,906.90

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Solution

The fourth proportional to 756,066.86, 1,043,360.04 and 411,906.90 is: 568,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,066.86 : 1,043,360.04 = 411,906.90 : x
  2. Step 2: Convert to fraction form
    756,066.86/1,043,360.04 = 411,906.90/x
  3. Step 3: Cross multiply
    756,066.86x = 1,043,360.04 × 411,906.90
  4. Step 4: Simplify right side
    756,066.86x = 429,767,202,268.68
  5. Step 5: Solve for x
    x = 429,767,202,268.68/756,066.86
  6. Step 6: Final answer
    x = 568,424.87

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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.