Home / 1,332,573.66-1,838,954.07-728,961.66

Finding the Fourth Proportional to 1,332,573.66, 1,838,954.07 and 728,961.66

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Solution

The fourth proportional to 1,332,573.66, 1,838,954.07 and 728,961.66 is: 1,005,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,573.66 : 1,838,954.07 = 728,961.66 : x
  2. Step 2: Convert to fraction form
    1,332,573.66/1,838,954.07 = 728,961.66/x
  3. Step 3: Cross multiply
    1,332,573.66x = 1,838,954.07 × 728,961.66
  4. Step 4: Simplify right side
    1,332,573.66x = 1,340,527,011,530.96
  5. Step 5: Solve for x
    x = 1,340,527,011,530.96/1,332,573.66
  6. Step 6: Final answer
    x = 1,005,968.41

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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.