Home / 1,923,821.28-2,885,702.76-661,659.84

Finding the Fourth Proportional to 1,923,821.28, 2,885,702.76 and 661,659.84

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Solution

The fourth proportional to 1,923,821.28, 2,885,702.76 and 661,659.84 is: 992,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,821.28 : 2,885,702.76 = 661,659.84 : x
  2. Step 2: Convert to fraction form
    1,923,821.28/2,885,702.76 = 661,659.84/x
  3. Step 3: Cross multiply
    1,923,821.28x = 2,885,702.76 × 661,659.84
  4. Step 4: Simplify right side
    1,923,821.28x = 1,909,353,626,469.16
  5. Step 5: Solve for x
    x = 1,909,353,626,469.16/1,923,821.28
  6. Step 6: Final answer
    x = 992,479.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.