Home / 1,104,928.05-1,524,785.40-621,493.53

Finding the Fourth Proportional to 1,104,928.05, 1,524,785.40 and 621,493.53

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Solution

The fourth proportional to 1,104,928.05, 1,524,785.40 and 621,493.53 is: 857,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,928.05 : 1,524,785.40 = 621,493.53 : x
  2. Step 2: Convert to fraction form
    1,104,928.05/1,524,785.40 = 621,493.53/x
  3. Step 3: Cross multiply
    1,104,928.05x = 1,524,785.40 × 621,493.53
  4. Step 4: Simplify right side
    1,104,928.05x = 947,644,260,738.46
  5. Step 5: Solve for x
    x = 947,644,260,738.46/1,104,928.05
  6. Step 6: Final answer
    x = 857,652.46

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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.