Home / 1,636,952.35-2,259,063.94-911,800.39

Finding the Fourth Proportional to 1,636,952.35, 2,259,063.94 and 911,800.39

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Solution

The fourth proportional to 1,636,952.35, 2,259,063.94 and 911,800.39 is: 1,258,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,952.35 : 2,259,063.94 = 911,800.39 : x
  2. Step 2: Convert to fraction form
    1,636,952.35/2,259,063.94 = 911,800.39/x
  3. Step 3: Cross multiply
    1,636,952.35x = 2,259,063.94 × 911,800.39
  4. Step 4: Simplify right side
    1,636,952.35x = 2,059,815,373,599.78
  5. Step 5: Solve for x
    x = 2,059,815,373,599.78/1,636,952.35
  6. Step 6: Final answer
    x = 1,258,323.36

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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.