Home / 336,531.40-504,116.70-209,782.60

Finding the Fourth Proportional to 336,531.40, 504,116.70 and 209,782.60

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Solution

The fourth proportional to 336,531.40, 504,116.70 and 209,782.60 is: 314,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,531.40 : 504,116.70 = 209,782.60 : x
  2. Step 2: Convert to fraction form
    336,531.40/504,116.70 = 209,782.60/x
  3. Step 3: Cross multiply
    336,531.40x = 504,116.70 × 209,782.60
  4. Step 4: Simplify right side
    336,531.40x = 105,754,912,029.42
  5. Step 5: Solve for x
    x = 105,754,912,029.42/336,531.40
  6. Step 6: Final answer
    x = 314,249.76

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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.