Home / 1,663,881.35-2,295,958.77-938,686.73

Finding the Fourth Proportional to 1,663,881.35, 2,295,958.77 and 938,686.73

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Solution

The fourth proportional to 1,663,881.35, 2,295,958.77 and 938,686.73 is: 1,295,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,881.35 : 2,295,958.77 = 938,686.73 : x
  2. Step 2: Convert to fraction form
    1,663,881.35/2,295,958.77 = 938,686.73/x
  3. Step 3: Cross multiply
    1,663,881.35x = 2,295,958.77 × 938,686.73
  4. Step 4: Simplify right side
    1,663,881.35x = 2,155,186,018,546.33
  5. Step 5: Solve for x
    x = 2,155,186,018,546.33/1,663,881.35
  6. Step 6: Final answer
    x = 1,295,276.27

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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.