Home / 527,228.54-727,575.77-285,511.37

Finding the Fourth Proportional to 527,228.54, 727,575.77 and 285,511.37

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Solution

The fourth proportional to 527,228.54, 727,575.77 and 285,511.37 is: 394,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,228.54 : 727,575.77 = 285,511.37 : x
  2. Step 2: Convert to fraction form
    527,228.54/727,575.77 = 285,511.37/x
  3. Step 3: Cross multiply
    527,228.54x = 727,575.77 × 285,511.37
  4. Step 4: Simplify right side
    527,228.54x = 207,731,153,443.95
  5. Step 5: Solve for x
    x = 207,731,153,443.95/527,228.54
  6. Step 6: Final answer
    x = 394,005.90

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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.