Home / 374,220.20-562,712.70-313,394.60

Finding the Fourth Proportional to 374,220.20, 562,712.70 and 313,394.60

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Solution

The fourth proportional to 374,220.20, 562,712.70 and 313,394.60 is: 471,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220.20 : 562,712.70 = 313,394.60 : x
  2. Step 2: Convert to fraction form
    374,220.20/562,712.70 = 313,394.60/x
  3. Step 3: Cross multiply
    374,220.20x = 562,712.70 × 313,394.60
  4. Step 4: Simplify right side
    374,220.20x = 176,351,121,531.42
  5. Step 5: Solve for x
    x = 176,351,121,531.42/374,220.20
  6. Step 6: Final answer
    x = 471,249.61

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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.