Home / 1,637,077.21-2,258,866.74-911,906.89

Finding the Fourth Proportional to 1,637,077.21, 2,258,866.74 and 911,906.89

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Solution

The fourth proportional to 1,637,077.21, 2,258,866.74 and 911,906.89 is: 1,258,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,077.21 : 2,258,866.74 = 911,906.89 : x
  2. Step 2: Convert to fraction form
    1,637,077.21/2,258,866.74 = 911,906.89/x
  3. Step 3: Cross multiply
    1,637,077.21x = 2,258,866.74 × 911,906.89
  4. Step 4: Simplify right side
    1,637,077.21x = 2,059,876,143,797.84
  5. Step 5: Solve for x
    x = 2,059,876,143,797.84/1,637,077.21
  6. Step 6: Final answer
    x = 1,258,264.50

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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.