Home / 437,550.90-603,816.67-243,956.31

Finding the Fourth Proportional to 437,550.90, 603,816.67 and 243,956.31

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Solution

The fourth proportional to 437,550.90, 603,816.67 and 243,956.31 is: 336,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,550.90 : 603,816.67 = 243,956.31 : x
  2. Step 2: Convert to fraction form
    437,550.90/603,816.67 = 243,956.31/x
  3. Step 3: Cross multiply
    437,550.90x = 603,816.67 × 243,956.31
  4. Step 4: Simplify right side
    437,550.90x = 147,304,885,509.91
  5. Step 5: Solve for x
    x = 147,304,885,509.91/437,550.90
  6. Step 6: Final answer
    x = 336,657.71

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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.