Home / 541,653.09-747,480.78-299,935.65

Finding the Fourth Proportional to 541,653.09, 747,480.78 and 299,935.65

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Solution

The fourth proportional to 541,653.09, 747,480.78 and 299,935.65 is: 413,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,653.09 : 747,480.78 = 299,935.65 : x
  2. Step 2: Convert to fraction form
    541,653.09/747,480.78 = 299,935.65/x
  3. Step 3: Cross multiply
    541,653.09x = 747,480.78 × 299,935.65
  4. Step 4: Simplify right side
    541,653.09x = 224,196,133,611.81
  5. Step 5: Solve for x
    x = 224,196,133,611.81/541,653.09
  6. Step 6: Final answer
    x = 413,910.93

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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.