Home / 329,569.75-454,366.42-261,811.63

Finding the Fourth Proportional to 329,569.75, 454,366.42 and 261,811.63

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Solution

The fourth proportional to 329,569.75, 454,366.42 and 261,811.63 is: 360,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,569.75 : 454,366.42 = 261,811.63 : x
  2. Step 2: Convert to fraction form
    329,569.75/454,366.42 = 261,811.63/x
  3. Step 3: Cross multiply
    329,569.75x = 454,366.42 × 261,811.63
  4. Step 4: Simplify right side
    329,569.75x = 118,958,413,037.47
  5. Step 5: Solve for x
    x = 118,958,413,037.47/329,569.75
  6. Step 6: Final answer
    x = 360,950.64

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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.