Home / 1,238,180.94-1,708,777.35-687,076.92

Finding the Fourth Proportional to 1,238,180.94, 1,708,777.35 and 687,076.92

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Solution

The fourth proportional to 1,238,180.94, 1,708,777.35 and 687,076.92 is: 948,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,180.94 : 1,708,777.35 = 687,076.92 : x
  2. Step 2: Convert to fraction form
    1,238,180.94/1,708,777.35 = 687,076.92/x
  3. Step 3: Cross multiply
    1,238,180.94x = 1,708,777.35 × 687,076.92
  4. Step 4: Simplify right side
    1,238,180.94x = 1,174,061,478,603.76
  5. Step 5: Solve for x
    x = 1,174,061,478,603.76/1,238,180.94
  6. Step 6: Final answer
    x = 948,214.79

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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.