Home / 1,140,570.72-1,573,735.68-681,616.44

Finding the Fourth Proportional to 1,140,570.72, 1,573,735.68 and 681,616.44

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Solution

The fourth proportional to 1,140,570.72, 1,573,735.68 and 681,616.44 is: 940,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,570.72 : 1,573,735.68 = 681,616.44 : x
  2. Step 2: Convert to fraction form
    1,140,570.72/1,573,735.68 = 681,616.44/x
  3. Step 3: Cross multiply
    1,140,570.72x = 1,573,735.68 × 681,616.44
  4. Step 4: Simplify right side
    1,140,570.72x = 1,072,684,111,702.58
  5. Step 5: Solve for x
    x = 1,072,684,111,702.58/1,140,570.72
  6. Step 6: Final answer
    x = 940,480.14

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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.