Home / 437,180.22-603,339.60-243,600.78

Finding the Fourth Proportional to 437,180.22, 603,339.60 and 243,600.78

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Solution

The fourth proportional to 437,180.22, 603,339.60 and 243,600.78 is: 336,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,180.22 : 603,339.60 = 243,600.78 : x
  2. Step 2: Convert to fraction form
    437,180.22/603,339.60 = 243,600.78/x
  3. Step 3: Cross multiply
    437,180.22x = 603,339.60 × 243,600.78
  4. Step 4: Simplify right side
    437,180.22x = 146,973,997,164.89
  5. Step 5: Solve for x
    x = 146,973,997,164.89/437,180.22
  6. Step 6: Final answer
    x = 336,186.29

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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.