Home / 1,116,706.97-1,540,638.11-657,540.86

Finding the Fourth Proportional to 1,116,706.97, 1,540,638.11 and 657,540.86

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Solution

The fourth proportional to 1,116,706.97, 1,540,638.11 and 657,540.86 is: 907,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,706.97 : 1,540,638.11 = 657,540.86 : x
  2. Step 2: Convert to fraction form
    1,116,706.97/1,540,638.11 = 657,540.86/x
  3. Step 3: Cross multiply
    1,116,706.97x = 1,540,638.11 × 657,540.86
  4. Step 4: Simplify right side
    1,116,706.97x = 1,013,032,501,738.84
  5. Step 5: Solve for x
    x = 1,013,032,501,738.84/1,116,706.97
  6. Step 6: Final answer
    x = 907,160.54

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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.