Home / 527,183.84-727,517.19-285,466.40

Finding the Fourth Proportional to 527,183.84, 727,517.19 and 285,466.40

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Solution

The fourth proportional to 527,183.84, 727,517.19 and 285,466.40 is: 393,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,183.84 : 727,517.19 = 285,466.40 : x
  2. Step 2: Convert to fraction form
    527,183.84/727,517.19 = 285,466.40/x
  3. Step 3: Cross multiply
    527,183.84x = 727,517.19 × 285,466.40
  4. Step 4: Simplify right side
    527,183.84x = 207,681,715,870.11
  5. Step 5: Solve for x
    x = 207,681,715,870.11/527,183.84
  6. Step 6: Final answer
    x = 393,945.53

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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.