Home / 437,131.32-603,225-243,534.48

Finding the Fourth Proportional to 437,131.32, 603,225 and 243,534.48

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Solution

The fourth proportional to 437,131.32, 603,225 and 243,534.48 is: 336,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,131.32 : 603,225 = 243,534.48 : x
  2. Step 2: Convert to fraction form
    437,131.32/603,225 = 243,534.48/x
  3. Step 3: Cross multiply
    437,131.32x = 603,225 × 243,534.48
  4. Step 4: Simplify right side
    437,131.32x = 146,906,086,698
  5. Step 5: Solve for x
    x = 146,906,086,698/437,131.32
  6. Step 6: Final answer
    x = 336,068.55

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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.