Home / 1,640,677.44-2,264,263.77-905,777.78

Finding the Fourth Proportional to 1,640,677.44, 2,264,263.77 and 905,777.78

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Solution

The fourth proportional to 1,640,677.44, 2,264,263.77 and 905,777.78 is: 1,250,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,677.44 : 2,264,263.77 = 905,777.78 : x
  2. Step 2: Convert to fraction form
    1,640,677.44/2,264,263.77 = 905,777.78/x
  3. Step 3: Cross multiply
    1,640,677.44x = 2,264,263.77 × 905,777.78
  4. Step 4: Simplify right side
    1,640,677.44x = 2,050,919,799,603.71
  5. Step 5: Solve for x
    x = 2,050,919,799,603.71/1,640,677.44
  6. Step 6: Final answer
    x = 1,250,044.49

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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.