Home / 462,767.45-638,617.23-258,817.55

Finding the Fourth Proportional to 462,767.45, 638,617.23 and 258,817.55

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Solution

The fourth proportional to 462,767.45, 638,617.23 and 258,817.55 is: 357,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,767.45 : 638,617.23 = 258,817.55 : x
  2. Step 2: Convert to fraction form
    462,767.45/638,617.23 = 258,817.55/x
  3. Step 3: Cross multiply
    462,767.45x = 638,617.23 × 258,817.55
  4. Step 4: Simplify right side
    462,767.45x = 165,285,343,663.30
  5. Step 5: Solve for x
    x = 165,285,343,663.30/462,767.45
  6. Step 6: Final answer
    x = 357,167.18

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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.