Home / 852,395.20-1,277,037.60-693,764.80

Finding the Fourth Proportional to 852,395.20, 1,277,037.60 and 693,764.80

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Solution

The fourth proportional to 852,395.20, 1,277,037.60 and 693,764.80 is: 1,039,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,395.20 : 1,277,037.60 = 693,764.80 : x
  2. Step 2: Convert to fraction form
    852,395.20/1,277,037.60 = 693,764.80/x
  3. Step 3: Cross multiply
    852,395.20x = 1,277,037.60 × 693,764.80
  4. Step 4: Simplify right side
    852,395.20x = 885,963,735,156.48
  5. Step 5: Solve for x
    x = 885,963,735,156.48/852,395.20
  6. Step 6: Final answer
    x = 1,039,381.42

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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.