Home / 349,110.41-523,706.64-124,502.78

Finding the Fourth Proportional to 349,110.41, 523,706.64 and 124,502.78

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Solution

The fourth proportional to 349,110.41, 523,706.64 and 124,502.78 is: 186,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,110.41 : 523,706.64 = 124,502.78 : x
  2. Step 2: Convert to fraction form
    349,110.41/523,706.64 = 124,502.78/x
  3. Step 3: Cross multiply
    349,110.41x = 523,706.64 × 124,502.78
  4. Step 4: Simplify right side
    349,110.41x = 65,202,932,584.46
  5. Step 5: Solve for x
    x = 65,202,932,584.46/349,110.41
  6. Step 6: Final answer
    x = 186,768.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.