Home / 1,728,005.80-2,592,008.70-886,642.60

Finding the Fourth Proportional to 1,728,005.80, 2,592,008.70 and 886,642.60

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Solution

The fourth proportional to 1,728,005.80, 2,592,008.70 and 886,642.60 is: 1,329,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,005.80 : 2,592,008.70 = 886,642.60 : x
  2. Step 2: Convert to fraction form
    1,728,005.80/2,592,008.70 = 886,642.60/x
  3. Step 3: Cross multiply
    1,728,005.80x = 2,592,008.70 × 886,642.60
  4. Step 4: Simplify right side
    1,728,005.80x = 2,298,185,332,990.62
  5. Step 5: Solve for x
    x = 2,298,185,332,990.62/1,728,005.80
  6. Step 6: Final answer
    x = 1,329,963.90

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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.