Home / 1,095,906.20-1,643,859.30-1,053,915.80

Finding the Fourth Proportional to 1,095,906.20, 1,643,859.30 and 1,053,915.80

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Solution

The fourth proportional to 1,095,906.20, 1,643,859.30 and 1,053,915.80 is: 1,580,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,906.20 : 1,643,859.30 = 1,053,915.80 : x
  2. Step 2: Convert to fraction form
    1,095,906.20/1,643,859.30 = 1,053,915.80/x
  3. Step 3: Cross multiply
    1,095,906.20x = 1,643,859.30 × 1,053,915.80
  4. Step 4: Simplify right side
    1,095,906.20x = 1,732,489,289,246.94
  5. Step 5: Solve for x
    x = 1,732,489,289,246.94/1,095,906.20
  6. Step 6: Final answer
    x = 1,580,873.70

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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.