Home / 527,299.69-727,673.34-285,582.26

Finding the Fourth Proportional to 527,299.69, 727,673.34 and 285,582.26

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Solution

The fourth proportional to 527,299.69, 727,673.34 and 285,582.26 is: 394,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,299.69 : 727,673.34 = 285,582.26 : x
  2. Step 2: Convert to fraction form
    527,299.69/727,673.34 = 285,582.26/x
  3. Step 3: Cross multiply
    527,299.69x = 727,673.34 × 285,582.26
  4. Step 4: Simplify right side
    527,299.69x = 207,810,596,978.95
  5. Step 5: Solve for x
    x = 207,810,596,978.95/527,299.69
  6. Step 6: Final answer
    x = 394,103.39

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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.