Home / 437,550.15-603,815.63-243,955.56

Finding the Fourth Proportional to 437,550.15, 603,815.63 and 243,955.56

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Solution

The fourth proportional to 437,550.15, 603,815.63 and 243,955.56 is: 336,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,550.15 : 603,815.63 = 243,955.56 : x
  2. Step 2: Convert to fraction form
    437,550.15/603,815.63 = 243,955.56/x
  3. Step 3: Cross multiply
    437,550.15x = 603,815.63 × 243,955.56
  4. Step 4: Simplify right side
    437,550.15x = 147,304,180,153.40
  5. Step 5: Solve for x
    x = 147,304,180,153.40/437,550.15
  6. Step 6: Final answer
    x = 336,656.68

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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.