Home / 415,299.16-573,118.20-245,531.80

Finding the Fourth Proportional to 415,299.16, 573,118.20 and 245,531.80

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Solution

The fourth proportional to 415,299.16, 573,118.20 and 245,531.80 is: 338,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,299.16 : 573,118.20 = 245,531.80 : x
  2. Step 2: Convert to fraction form
    415,299.16/573,118.20 = 245,531.80/x
  3. Step 3: Cross multiply
    415,299.16x = 573,118.20 × 245,531.80
  4. Step 4: Simplify right side
    415,299.16x = 140,718,743,258.76
  5. Step 5: Solve for x
    x = 140,718,743,258.76/415,299.16
  6. Step 6: Final answer
    x = 338,837.05

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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.