Home / 753,177.82-1,129,957.96-348,661.66

Finding the Fourth Proportional to 753,177.82, 1,129,957.96 and 348,661.66

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Solution

The fourth proportional to 753,177.82, 1,129,957.96 and 348,661.66 is: 523,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,177.82 : 1,129,957.96 = 348,661.66 : x
  2. Step 2: Convert to fraction form
    753,177.82/1,129,957.96 = 348,661.66/x
  3. Step 3: Cross multiply
    753,177.82x = 1,129,957.96 × 348,661.66
  4. Step 4: Simplify right side
    753,177.82x = 393,973,022,684.50
  5. Step 5: Solve for x
    x = 393,973,022,684.50/753,177.82
  6. Step 6: Final answer
    x = 523,081.02

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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.