Home / 755,881.64-1,043,118.11-411,716.51

Finding the Fourth Proportional to 755,881.64, 1,043,118.11 and 411,716.51

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Solution

The fourth proportional to 755,881.64, 1,043,118.11 and 411,716.51 is: 568,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,881.64 : 1,043,118.11 = 411,716.51 : x
  2. Step 2: Convert to fraction form
    755,881.64/1,043,118.11 = 411,716.51/x
  3. Step 3: Cross multiply
    755,881.64x = 1,043,118.11 × 411,716.51
  4. Step 4: Simplify right side
    755,881.64x = 429,468,940,492.82
  5. Step 5: Solve for x
    x = 429,468,940,492.82/755,881.64
  6. Step 6: Final answer
    x = 568,169.57

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1.5x scale

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.