Home / 405,965.20-560,095.40-236,059.60

Finding the Fourth Proportional to 405,965.20, 560,095.40 and 236,059.60

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Solution

The fourth proportional to 405,965.20, 560,095.40 and 236,059.60 is: 325,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,965.20 : 560,095.40 = 236,059.60 : x
  2. Step 2: Convert to fraction form
    405,965.20/560,095.40 = 236,059.60/x
  3. Step 3: Cross multiply
    405,965.20x = 560,095.40 × 236,059.60
  4. Step 4: Simplify right side
    405,965.20x = 132,215,896,085.84
  5. Step 5: Solve for x
    x = 132,215,896,085.84/405,965.20
  6. Step 6: Final answer
    x = 325,682.83

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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.