Home / 676,857.83-933,816.65-404,933.54

Finding the Fourth Proportional to 676,857.83, 933,816.65 and 404,933.54

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Solution

The fourth proportional to 676,857.83, 933,816.65 and 404,933.54 is: 558,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,857.83 : 933,816.65 = 404,933.54 : x
  2. Step 2: Convert to fraction form
    676,857.83/933,816.65 = 404,933.54/x
  3. Step 3: Cross multiply
    676,857.83x = 933,816.65 × 404,933.54
  4. Step 4: Simplify right side
    676,857.83x = 378,133,675,101.69
  5. Step 5: Solve for x
    x = 378,133,675,101.69/676,857.83
  6. Step 6: Final answer
    x = 558,660.42

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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.