Home / 677,970.24-1,016,962.56-204,659.52

Finding the Fourth Proportional to 677,970.24, 1,016,962.56 and 204,659.52

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Solution

The fourth proportional to 677,970.24, 1,016,962.56 and 204,659.52 is: 306,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,970.24 : 1,016,962.56 = 204,659.52 : x
  2. Step 2: Convert to fraction form
    677,970.24/1,016,962.56 = 204,659.52/x
  3. Step 3: Cross multiply
    677,970.24x = 1,016,962.56 × 204,659.52
  4. Step 4: Simplify right side
    677,970.24x = 208,131,069,387.57
  5. Step 5: Solve for x
    x = 208,131,069,387.57/677,970.24
  6. Step 6: Final answer
    x = 306,991.45

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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.