Home / 527,084.05-727,374.96-285,366.59

Finding the Fourth Proportional to 527,084.05, 727,374.96 and 285,366.59

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Solution

The fourth proportional to 527,084.05, 727,374.96 and 285,366.59 is: 393,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,084.05 : 727,374.96 = 285,366.59 : x
  2. Step 2: Convert to fraction form
    527,084.05/727,374.96 = 285,366.59/x
  3. Step 3: Cross multiply
    527,084.05x = 727,374.96 × 285,366.59
  4. Step 4: Simplify right side
    527,084.05x = 207,568,511,986.59
  5. Step 5: Solve for x
    x = 207,568,511,986.59/527,084.05
  6. Step 6: Final answer
    x = 393,805.34

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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.