Home / 778,092.11-1,073,775.32-438,560.36

Finding the Fourth Proportional to 778,092.11, 1,073,775.32 and 438,560.36

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Solution

The fourth proportional to 778,092.11, 1,073,775.32 and 438,560.36 is: 605,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,092.11 : 1,073,775.32 = 438,560.36 : x
  2. Step 2: Convert to fraction form
    778,092.11/1,073,775.32 = 438,560.36/x
  3. Step 3: Cross multiply
    778,092.11x = 1,073,775.32 × 438,560.36
  4. Step 4: Simplify right side
    778,092.11x = 470,915,288,705.51
  5. Step 5: Solve for x
    x = 470,915,288,705.51/778,092.11
  6. Step 6: Final answer
    x = 605,217.92

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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.