Home / 701,868.32-1,053,217.20-258,947.36

Finding the Fourth Proportional to 701,868.32, 1,053,217.20 and 258,947.36

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Solution

The fourth proportional to 701,868.32, 1,053,217.20 and 258,947.36 is: 388,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,868.32 : 1,053,217.20 = 258,947.36 : x
  2. Step 2: Convert to fraction form
    701,868.32/1,053,217.20 = 258,947.36/x
  3. Step 3: Cross multiply
    701,868.32x = 1,053,217.20 × 258,947.36
  4. Step 4: Simplify right side
    701,868.32x = 272,727,813,446.59
  5. Step 5: Solve for x
    x = 272,727,813,446.59/701,868.32
  6. Step 6: Final answer
    x = 388,574.05

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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.