Home / 1,636,755.90-2,258,793.24-911,603.80

Finding the Fourth Proportional to 1,636,755.90, 2,258,793.24 and 911,603.80

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Solution

The fourth proportional to 1,636,755.90, 2,258,793.24 and 911,603.80 is: 1,258,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,755.90 : 2,258,793.24 = 911,603.80 : x
  2. Step 2: Convert to fraction form
    1,636,755.90/2,258,793.24 = 911,603.80/x
  3. Step 3: Cross multiply
    1,636,755.90x = 2,258,793.24 × 911,603.80
  4. Step 4: Simplify right side
    1,636,755.90x = 2,059,124,500,998.31
  5. Step 5: Solve for x
    x = 2,059,124,500,998.31/1,636,755.90
  6. Step 6: Final answer
    x = 1,258,052.29

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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.