Home / 626,552.82-938,645.55-485,621.46

Finding the Fourth Proportional to 626,552.82, 938,645.55 and 485,621.46

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Solution

The fourth proportional to 626,552.82, 938,645.55 and 485,621.46 is: 727,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,552.82 : 938,645.55 = 485,621.46 : x
  2. Step 2: Convert to fraction form
    626,552.82/938,645.55 = 485,621.46/x
  3. Step 3: Cross multiply
    626,552.82x = 938,645.55 × 485,621.46
  4. Step 4: Simplify right side
    626,552.82x = 455,826,422,413.50
  5. Step 5: Solve for x
    x = 455,826,422,413.50/626,552.82
  6. Step 6: Final answer
    x = 727,514.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.