Home / 621,738.48-857,993.04-346,091.96

Finding the Fourth Proportional to 621,738.48, 857,993.04 and 346,091.96

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Solution

The fourth proportional to 621,738.48, 857,993.04 and 346,091.96 is: 477,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,738.48 : 857,993.04 = 346,091.96 : x
  2. Step 2: Convert to fraction form
    621,738.48/857,993.04 = 346,091.96/x
  3. Step 3: Cross multiply
    621,738.48x = 857,993.04 × 346,091.96
  4. Step 4: Simplify right side
    621,738.48x = 296,944,492,879.96
  5. Step 5: Solve for x
    x = 296,944,492,879.96/621,738.48
  6. Step 6: Final answer
    x = 477,603.53

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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.