Home / 1,093,549.60-1,640,324.40-810,114.40

Finding the Fourth Proportional to 1,093,549.60, 1,640,324.40 and 810,114.40

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Solution

The fourth proportional to 1,093,549.60, 1,640,324.40 and 810,114.40 is: 1,215,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,549.60 : 1,640,324.40 = 810,114.40 : x
  2. Step 2: Convert to fraction form
    1,093,549.60/1,640,324.40 = 810,114.40/x
  3. Step 3: Cross multiply
    1,093,549.60x = 1,640,324.40 × 810,114.40
  4. Step 4: Simplify right side
    1,093,549.60x = 1,328,850,417,111.36
  5. Step 5: Solve for x
    x = 1,328,850,417,111.36/1,093,549.60
  6. Step 6: Final answer
    x = 1,215,171.60

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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.