Home / 956,721.76-1,320,369.38-714,584.41

Finding the Fourth Proportional to 956,721.76, 1,320,369.38 and 714,584.41

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Solution

The fourth proportional to 956,721.76, 1,320,369.38 and 714,584.41 is: 986,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,721.76 : 1,320,369.38 = 714,584.41 : x
  2. Step 2: Convert to fraction form
    956,721.76/1,320,369.38 = 714,584.41/x
  3. Step 3: Cross multiply
    956,721.76x = 1,320,369.38 × 714,584.41
  4. Step 4: Simplify right side
    956,721.76x = 943,515,374,389.37
  5. Step 5: Solve for x
    x = 943,515,374,389.37/956,721.76
  6. Step 6: Final answer
    x = 986,196.21

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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.