Home / 917,188.88-1,265,436.81-529,862.96

Finding the Fourth Proportional to 917,188.88, 1,265,436.81 and 529,862.96

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Solution

The fourth proportional to 917,188.88, 1,265,436.81 and 529,862.96 is: 731,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,188.88 : 1,265,436.81 = 529,862.96 : x
  2. Step 2: Convert to fraction form
    917,188.88/1,265,436.81 = 529,862.96/x
  3. Step 3: Cross multiply
    917,188.88x = 1,265,436.81 × 529,862.96
  4. Step 4: Simplify right side
    917,188.88x = 670,508,093,839.56
  5. Step 5: Solve for x
    x = 670,508,093,839.56/917,188.88
  6. Step 6: Final answer
    x = 731,046.91

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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.