Home / 527,214.52-727,556.43-285,497.36

Finding the Fourth Proportional to 527,214.52, 727,556.43 and 285,497.36

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Solution

The fourth proportional to 527,214.52, 727,556.43 and 285,497.36 is: 393,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,214.52 : 727,556.43 = 285,497.36 : x
  2. Step 2: Convert to fraction form
    527,214.52/727,556.43 = 285,497.36/x
  3. Step 3: Cross multiply
    527,214.52x = 727,556.43 × 285,497.36
  4. Step 4: Simplify right side
    527,214.52x = 207,715,438,571.27
  5. Step 5: Solve for x
    x = 207,715,438,571.27/527,214.52
  6. Step 6: Final answer
    x = 393,986.57

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1.5x scale

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.