Home / 374,629.60-561,944.40-368,408.80

Finding the Fourth Proportional to 374,629.60, 561,944.40 and 368,408.80

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Solution

The fourth proportional to 374,629.60, 561,944.40 and 368,408.80 is: 552,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,629.60 : 561,944.40 = 368,408.80 : x
  2. Step 2: Convert to fraction form
    374,629.60/561,944.40 = 368,408.80/x
  3. Step 3: Cross multiply
    374,629.60x = 561,944.40 × 368,408.80
  4. Step 4: Simplify right side
    374,629.60x = 207,025,262,070.72
  5. Step 5: Solve for x
    x = 207,025,262,070.72/374,629.60
  6. Step 6: Final answer
    x = 552,613.20

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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.