Home / 861,623.04-1,291,836.06-381,589.26

Finding the Fourth Proportional to 861,623.04, 1,291,836.06 and 381,589.26

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Solution

The fourth proportional to 861,623.04, 1,291,836.06 and 381,589.26 is: 572,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,623.04 : 1,291,836.06 = 381,589.26 : x
  2. Step 2: Convert to fraction form
    861,623.04/1,291,836.06 = 381,589.26/x
  3. Step 3: Cross multiply
    861,623.04x = 1,291,836.06 × 381,589.26
  4. Step 4: Simplify right side
    861,623.04x = 492,950,771,021.10
  5. Step 5: Solve for x
    x = 492,950,771,021.10/861,623.04
  6. Step 6: Final answer
    x = 572,118.83

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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.