Home / 492,231.13-679,279.23-265,876.63

Finding the Fourth Proportional to 492,231.13, 679,279.23 and 265,876.63

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Solution

The fourth proportional to 492,231.13, 679,279.23 and 265,876.63 is: 366,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,231.13 : 679,279.23 = 265,876.63 : x
  2. Step 2: Convert to fraction form
    492,231.13/679,279.23 = 265,876.63/x
  3. Step 3: Cross multiply
    492,231.13x = 679,279.23 × 265,876.63
  4. Step 4: Simplify right side
    492,231.13x = 180,604,467,775.62
  5. Step 5: Solve for x
    x = 180,604,467,775.62/492,231.13
  6. Step 6: Final answer
    x = 366,909.89

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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.