Home / 408,655.06-612,976.42-183,856.75

Finding the Fourth Proportional to 408,655.06, 612,976.42 and 183,856.75

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Solution

The fourth proportional to 408,655.06, 612,976.42 and 183,856.75 is: 275,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,655.06 : 612,976.42 = 183,856.75 : x
  2. Step 2: Convert to fraction form
    408,655.06/612,976.42 = 183,856.75/x
  3. Step 3: Cross multiply
    408,655.06x = 612,976.42 × 183,856.75
  4. Step 4: Simplify right side
    408,655.06x = 112,699,852,407.84
  5. Step 5: Solve for x
    x = 112,699,852,407.84/408,655.06
  6. Step 6: Final answer
    x = 275,782.35

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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.