Home / 653,529.06-980,677.13-274,420.51

Finding the Fourth Proportional to 653,529.06, 980,677.13 and 274,420.51

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Solution

The fourth proportional to 653,529.06, 980,677.13 and 274,420.51 is: 411,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,529.06 : 980,677.13 = 274,420.51 : x
  2. Step 2: Convert to fraction form
    653,529.06/980,677.13 = 274,420.51/x
  3. Step 3: Cross multiply
    653,529.06x = 980,677.13 × 274,420.51
  4. Step 4: Simplify right side
    653,529.06x = 269,117,914,336.14
  5. Step 5: Solve for x
    x = 269,117,914,336.14/653,529.06
  6. Step 6: Final answer
    x = 411,791.81

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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.