Home / 1,636,264.60-2,257,998.86-891,173.54

Finding the Fourth Proportional to 1,636,264.60, 2,257,998.86 and 891,173.54

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Solution

The fourth proportional to 1,636,264.60, 2,257,998.86 and 891,173.54 is: 1,229,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,264.60 : 2,257,998.86 = 891,173.54 : x
  2. Step 2: Convert to fraction form
    1,636,264.60/2,257,998.86 = 891,173.54/x
  3. Step 3: Cross multiply
    1,636,264.60x = 2,257,998.86 × 891,173.54
  4. Step 4: Simplify right side
    1,636,264.60x = 2,012,268,845,255.10
  5. Step 5: Solve for x
    x = 2,012,268,845,255.10/1,636,264.60
  6. Step 6: Final answer
    x = 1,229,794.28

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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.