Home / 1,522,440.75-2,100,968.17-834,138.68

Finding the Fourth Proportional to 1,522,440.75, 2,100,968.17 and 834,138.68

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Solution

The fourth proportional to 1,522,440.75, 2,100,968.17 and 834,138.68 is: 1,151,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,440.75 : 2,100,968.17 = 834,138.68 : x
  2. Step 2: Convert to fraction form
    1,522,440.75/2,100,968.17 = 834,138.68/x
  3. Step 3: Cross multiply
    1,522,440.75x = 2,100,968.17 × 834,138.68
  4. Step 4: Simplify right side
    1,522,440.75x = 1,752,498,819,212.89
  5. Step 5: Solve for x
    x = 1,752,498,819,212.89/1,522,440.75
  6. Step 6: Final answer
    x = 1,151,111.34

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1.5x scale

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.