Home / 1,637,076.21-2,258,865.36-911,905.89

Finding the Fourth Proportional to 1,637,076.21, 2,258,865.36 and 911,905.89

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Solution

The fourth proportional to 1,637,076.21, 2,258,865.36 and 911,905.89 is: 1,258,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,076.21 : 2,258,865.36 = 911,905.89 : x
  2. Step 2: Convert to fraction form
    1,637,076.21/2,258,865.36 = 911,905.89/x
  3. Step 3: Cross multiply
    1,637,076.21x = 2,258,865.36 × 911,905.89
  4. Step 4: Simplify right side
    1,637,076.21x = 2,059,872,626,500.97
  5. Step 5: Solve for x
    x = 2,059,872,626,500.97/1,637,076.21
  6. Step 6: Final answer
    x = 1,258,263.12

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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.