Home / 437,249.07-603,422.46-243,657.05

Finding the Fourth Proportional to 437,249.07, 603,422.46 and 243,657.05

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Solution

The fourth proportional to 437,249.07, 603,422.46 and 243,657.05 is: 336,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,249.07 : 603,422.46 = 243,657.05 : x
  2. Step 2: Convert to fraction form
    437,249.07/603,422.46 = 243,657.05/x
  3. Step 3: Cross multiply
    437,249.07x = 603,422.46 × 243,657.05
  4. Step 4: Simplify right side
    437,249.07x = 147,028,136,035.91
  5. Step 5: Solve for x
    x = 147,028,136,035.91/437,249.07
  6. Step 6: Final answer
    x = 336,257.17

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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.