Home / 694,873.36-958,916.10-393,067.36

Finding the Fourth Proportional to 694,873.36, 958,916.10 and 393,067.36

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Solution

The fourth proportional to 694,873.36, 958,916.10 and 393,067.36 is: 542,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,873.36 : 958,916.10 = 393,067.36 : x
  2. Step 2: Convert to fraction form
    694,873.36/958,916.10 = 393,067.36/x
  3. Step 3: Cross multiply
    694,873.36x = 958,916.10 × 393,067.36
  4. Step 4: Simplify right side
    694,873.36x = 376,918,619,888.50
  5. Step 5: Solve for x
    x = 376,918,619,888.50/694,873.36
  6. Step 6: Final answer
    x = 542,427.79

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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.