Home / 1,104,639.66-1,524,388.22-621,204.68

Finding the Fourth Proportional to 1,104,639.66, 1,524,388.22 and 621,204.68

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Solution

The fourth proportional to 1,104,639.66, 1,524,388.22 and 621,204.68 is: 857,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,639.66 : 1,524,388.22 = 621,204.68 : x
  2. Step 2: Convert to fraction form
    1,104,639.66/1,524,388.22 = 621,204.68/x
  3. Step 3: Cross multiply
    1,104,639.66x = 1,524,388.22 × 621,204.68
  4. Step 4: Simplify right side
    1,104,639.66x = 946,957,096,400.87
  5. Step 5: Solve for x
    x = 946,957,096,400.87/1,104,639.66
  6. Step 6: Final answer
    x = 857,254.30

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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.