Home / 479,052.27-718,877.57-319,240.35

Finding the Fourth Proportional to 479,052.27, 718,877.57 and 319,240.35

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Solution

The fourth proportional to 479,052.27, 718,877.57 and 319,240.35 is: 479,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,052.27 : 718,877.57 = 319,240.35 : x
  2. Step 2: Convert to fraction form
    479,052.27/718,877.57 = 319,240.35/x
  3. Step 3: Cross multiply
    479,052.27x = 718,877.57 × 319,240.35
  4. Step 4: Simplify right side
    479,052.27x = 229,494,725,457.75
  5. Step 5: Solve for x
    x = 229,494,725,457.75/479,052.27
  6. Step 6: Final answer
    x = 479,059.89

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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.