Home / 1,085,856.30-1,497,247.06-692,860.60

Finding the Fourth Proportional to 1,085,856.30, 1,497,247.06 and 692,860.60

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Solution

The fourth proportional to 1,085,856.30, 1,497,247.06 and 692,860.60 is: 955,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,856.30 : 1,497,247.06 = 692,860.60 : x
  2. Step 2: Convert to fraction form
    1,085,856.30/1,497,247.06 = 692,860.60/x
  3. Step 3: Cross multiply
    1,085,856.30x = 1,497,247.06 × 692,860.60
  4. Step 4: Simplify right side
    1,085,856.30x = 1,037,383,497,778.36
  5. Step 5: Solve for x
    x = 1,037,383,497,778.36/1,085,856.30
  6. Step 6: Final answer
    x = 955,359.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.