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Finding the Fourth Proportional to 894,950.52, 1,235,086.84 and 513,034.72

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Solution

The fourth proportional to 894,950.52, 1,235,086.84 and 513,034.72 is: 708,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,950.52 : 1,235,086.84 = 513,034.72 : x
  2. Step 2: Convert to fraction form
    894,950.52/1,235,086.84 = 513,034.72/x
  3. Step 3: Cross multiply
    894,950.52x = 1,235,086.84 × 513,034.72
  4. Step 4: Simplify right side
    894,950.52x = 633,642,431,135.09
  5. Step 5: Solve for x
    x = 633,642,431,135.09/894,950.52
  6. Step 6: Final answer
    x = 708,019.51

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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.