Home / 1,086,116.08-1,629,392.60-376,128.40

Finding the Fourth Proportional to 1,086,116.08, 1,629,392.60 and 376,128.40

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Solution

The fourth proportional to 1,086,116.08, 1,629,392.60 and 376,128.40 is: 564,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,116.08 : 1,629,392.60 = 376,128.40 : x
  2. Step 2: Convert to fraction form
    1,086,116.08/1,629,392.60 = 376,128.40/x
  3. Step 3: Cross multiply
    1,086,116.08x = 1,629,392.60 × 376,128.40
  4. Step 4: Simplify right side
    1,086,116.08x = 612,860,831,609.84
  5. Step 5: Solve for x
    x = 612,860,831,609.84/1,086,116.08
  6. Step 6: Final answer
    x = 564,268.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.