Home / 527,296.45-727,665.48-285,573.50

Finding the Fourth Proportional to 527,296.45, 727,665.48 and 285,573.50

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Solution

The fourth proportional to 527,296.45, 727,665.48 and 285,573.50 is: 394,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,296.45 : 727,665.48 = 285,573.50 : x
  2. Step 2: Convert to fraction form
    527,296.45/727,665.48 = 285,573.50/x
  3. Step 3: Cross multiply
    527,296.45x = 727,665.48 × 285,573.50
  4. Step 4: Simplify right side
    527,296.45x = 207,801,974,314.45
  5. Step 5: Solve for x
    x = 207,801,974,314.45/527,296.45
  6. Step 6: Final answer
    x = 394,089.46

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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.