Home / 453,314.48-679,722.03-187,014.42

Finding the Fourth Proportional to 453,314.48, 679,722.03 and 187,014.42

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Solution

The fourth proportional to 453,314.48, 679,722.03 and 187,014.42 is: 280,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,314.48 : 679,722.03 = 187,014.42 : x
  2. Step 2: Convert to fraction form
    453,314.48/679,722.03 = 187,014.42/x
  3. Step 3: Cross multiply
    453,314.48x = 679,722.03 × 187,014.42
  4. Step 4: Simplify right side
    453,314.48x = 127,117,821,201.67
  5. Step 5: Solve for x
    x = 127,117,821,201.67/453,314.48
  6. Step 6: Final answer
    x = 280,418.62

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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.