Home / 449,842.17-620,795.39-245,904.33

Finding the Fourth Proportional to 449,842.17, 620,795.39 and 245,904.33

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Solution

The fourth proportional to 449,842.17, 620,795.39 and 245,904.33 is: 339,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,842.17 : 620,795.39 = 245,904.33 : x
  2. Step 2: Convert to fraction form
    449,842.17/620,795.39 = 245,904.33/x
  3. Step 3: Cross multiply
    449,842.17x = 620,795.39 × 245,904.33
  4. Step 4: Simplify right side
    449,842.17x = 152,656,273,215.52
  5. Step 5: Solve for x
    x = 152,656,273,215.52/449,842.17
  6. Step 6: Final answer
    x = 339,355.19

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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.