Home / 2,203,718.40-3,305,577.60-783,820.80

Finding the Fourth Proportional to 2,203,718.40, 3,305,577.60 and 783,820.80

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Solution

The fourth proportional to 2,203,718.40, 3,305,577.60 and 783,820.80 is: 1,175,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203,718.40 : 3,305,577.60 = 783,820.80 : x
  2. Step 2: Convert to fraction form
    2,203,718.40/3,305,577.60 = 783,820.80/x
  3. Step 3: Cross multiply
    2,203,718.40x = 3,305,577.60 × 783,820.80
  4. Step 4: Simplify right side
    2,203,718.40x = 2,590,980,478,894.08
  5. Step 5: Solve for x
    x = 2,590,980,478,894.08/2,203,718.40
  6. Step 6: Final answer
    x = 1,175,731.20

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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.