Home / 893,821.55-1,233,498.07-485,950.83

Finding the Fourth Proportional to 893,821.55, 1,233,498.07 and 485,950.83

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Solution

The fourth proportional to 893,821.55, 1,233,498.07 and 485,950.83 is: 670,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,821.55 : 1,233,498.07 = 485,950.83 : x
  2. Step 2: Convert to fraction form
    893,821.55/1,233,498.07 = 485,950.83/x
  3. Step 3: Cross multiply
    893,821.55x = 1,233,498.07 × 485,950.83
  4. Step 4: Simplify right side
    893,821.55x = 599,419,412,105.54
  5. Step 5: Solve for x
    x = 599,419,412,105.54/893,821.55
  6. Step 6: Final answer
    x = 670,625.38

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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.