Home / 436,705.56-654,836.67-199,845.36

Finding the Fourth Proportional to 436,705.56, 654,836.67 and 199,845.36

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Solution

The fourth proportional to 436,705.56, 654,836.67 and 199,845.36 is: 299,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,705.56 : 654,836.67 = 199,845.36 : x
  2. Step 2: Convert to fraction form
    436,705.56/654,836.67 = 199,845.36/x
  3. Step 3: Cross multiply
    436,705.56x = 654,836.67 × 199,845.36
  4. Step 4: Simplify right side
    436,705.56x = 130,866,070,057.35
  5. Step 5: Solve for x
    x = 130,866,070,057.35/436,705.56
  6. Step 6: Final answer
    x = 299,666.60

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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.