Home / 479,010.16-718,589.04-163,393.36

Finding the Fourth Proportional to 479,010.16, 718,589.04 and 163,393.36

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Solution

The fourth proportional to 479,010.16, 718,589.04 and 163,393.36 is: 245,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,010.16 : 718,589.04 = 163,393.36 : x
  2. Step 2: Convert to fraction form
    479,010.16/718,589.04 = 163,393.36/x
  3. Step 3: Cross multiply
    479,010.16x = 718,589.04 × 163,393.36
  4. Step 4: Simplify right side
    479,010.16x = 117,412,677,704.77
  5. Step 5: Solve for x
    x = 117,412,677,704.77/479,010.16
  6. Step 6: Final answer
    x = 245,115.21

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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.