Home / 1,085,708.10-1,628,562.15-911,525.70

Finding the Fourth Proportional to 1,085,708.10, 1,628,562.15 and 911,525.70

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Solution

The fourth proportional to 1,085,708.10, 1,628,562.15 and 911,525.70 is: 1,367,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,708.10 : 1,628,562.15 = 911,525.70 : x
  2. Step 2: Convert to fraction form
    1,085,708.10/1,628,562.15 = 911,525.70/x
  3. Step 3: Cross multiply
    1,085,708.10x = 1,628,562.15 × 911,525.70
  4. Step 4: Simplify right side
    1,085,708.10x = 1,484,476,253,772.26
  5. Step 5: Solve for x
    x = 1,484,476,253,772.26/1,085,708.10
  6. Step 6: Final answer
    x = 1,367,288.55

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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.