Home / 987,922.56-1,363,395.84-605,897.28

Finding the Fourth Proportional to 987,922.56, 1,363,395.84 and 605,897.28

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Solution

The fourth proportional to 987,922.56, 1,363,395.84 and 605,897.28 is: 836,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,922.56 : 1,363,395.84 = 605,897.28 : x
  2. Step 2: Convert to fraction form
    987,922.56/1,363,395.84 = 605,897.28/x
  3. Step 3: Cross multiply
    987,922.56x = 1,363,395.84 × 605,897.28
  4. Step 4: Simplify right side
    987,922.56x = 826,077,831,019.32
  5. Step 5: Solve for x
    x = 826,077,831,019.32/987,922.56
  6. Step 6: Final answer
    x = 836,176.71

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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.