Home / 527,212.43-727,553.86-285,495.40

Finding the Fourth Proportional to 527,212.43, 727,553.86 and 285,495.40

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Solution

The fourth proportional to 527,212.43, 727,553.86 and 285,495.40 is: 393,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,212.43 : 727,553.86 = 285,495.40 : x
  2. Step 2: Convert to fraction form
    527,212.43/727,553.86 = 285,495.40/x
  3. Step 3: Cross multiply
    527,212.43x = 727,553.86 × 285,495.40
  4. Step 4: Simplify right side
    527,212.43x = 207,713,280,282.24
  5. Step 5: Solve for x
    x = 207,713,280,282.24/527,212.43
  6. Step 6: Final answer
    x = 393,984.03

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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.