Home / 968,893.44-1,335,686.93-681,521.64

Finding the Fourth Proportional to 968,893.44, 1,335,686.93 and 681,521.64

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Solution

The fourth proportional to 968,893.44, 1,335,686.93 and 681,521.64 is: 939,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,893.44 : 1,335,686.93 = 681,521.64 : x
  2. Step 2: Convert to fraction form
    968,893.44/1,335,686.93 = 681,521.64/x
  3. Step 3: Cross multiply
    968,893.44x = 1,335,686.93 × 681,521.64
  4. Step 4: Simplify right side
    968,893.44x = 910,299,536,974.12
  5. Step 5: Solve for x
    x = 910,299,536,974.12/968,893.44
  6. Step 6: Final answer
    x = 939,524.93

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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.