Home / 624,467.98-861,786.68-382,703.83

Finding the Fourth Proportional to 624,467.98, 861,786.68 and 382,703.83

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Solution

The fourth proportional to 624,467.98, 861,786.68 and 382,703.83 is: 528,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,467.98 : 861,786.68 = 382,703.83 : x
  2. Step 2: Convert to fraction form
    624,467.98/861,786.68 = 382,703.83/x
  3. Step 3: Cross multiply
    624,467.98x = 861,786.68 × 382,703.83
  4. Step 4: Simplify right side
    624,467.98x = 329,809,063,078.98
  5. Step 5: Solve for x
    x = 329,809,063,078.98/624,467.98
  6. Step 6: Final answer
    x = 528,144.07

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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.