Home / 1,522,106.76-2,100,541.27-868,719.68

Finding the Fourth Proportional to 1,522,106.76, 2,100,541.27 and 868,719.68

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Solution

The fourth proportional to 1,522,106.76, 2,100,541.27 and 868,719.68 is: 1,198,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,106.76 : 2,100,541.27 = 868,719.68 : x
  2. Step 2: Convert to fraction form
    1,522,106.76/2,100,541.27 = 868,719.68/x
  3. Step 3: Cross multiply
    1,522,106.76x = 2,100,541.27 × 868,719.68
  4. Step 4: Simplify right side
    1,522,106.76x = 1,824,781,529,398.49
  5. Step 5: Solve for x
    x = 1,824,781,529,398.49/1,522,106.76
  6. Step 6: Final answer
    x = 1,198,852.52

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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.