Home / 494,006.07-681,719.48-279,141.51

Finding the Fourth Proportional to 494,006.07, 681,719.48 and 279,141.51

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Solution

The fourth proportional to 494,006.07, 681,719.48 and 279,141.51 is: 385,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,006.07 : 681,719.48 = 279,141.51 : x
  2. Step 2: Convert to fraction form
    494,006.07/681,719.48 = 279,141.51/x
  3. Step 3: Cross multiply
    494,006.07x = 681,719.48 × 279,141.51
  4. Step 4: Simplify right side
    494,006.07x = 190,296,200,239.31
  5. Step 5: Solve for x
    x = 190,296,200,239.31/494,006.07
  6. Step 6: Final answer
    x = 385,210.25

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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.