Home / 335,664.56-503,429.88-215,365.52

Finding the Fourth Proportional to 335,664.56, 503,429.88 and 215,365.52

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Solution

The fourth proportional to 335,664.56, 503,429.88 and 215,365.52 is: 323,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,664.56 : 503,429.88 = 215,365.52 : x
  2. Step 2: Convert to fraction form
    335,664.56/503,429.88 = 215,365.52/x
  3. Step 3: Cross multiply
    335,664.56x = 503,429.88 × 215,365.52
  4. Step 4: Simplify right side
    335,664.56x = 108,421,437,889.74
  5. Step 5: Solve for x
    x = 108,421,437,889.74/335,664.56
  6. Step 6: Final answer
    x = 323,005.32

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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.