Home / 922,915.69-1,273,471.37-515,016.56

Finding the Fourth Proportional to 922,915.69, 1,273,471.37 and 515,016.56

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Solution

The fourth proportional to 922,915.69, 1,273,471.37 and 515,016.56 is: 710,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,915.69 : 1,273,471.37 = 515,016.56 : x
  2. Step 2: Convert to fraction form
    922,915.69/1,273,471.37 = 515,016.56/x
  3. Step 3: Cross multiply
    922,915.69x = 1,273,471.37 × 515,016.56
  4. Step 4: Simplify right side
    922,915.69x = 655,858,837,868.53
  5. Step 5: Solve for x
    x = 655,858,837,868.53/922,915.69
  6. Step 6: Final answer
    x = 710,637.87

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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.