Home / 946,286.12-1,305,700.14-538,364.15

Finding the Fourth Proportional to 946,286.12, 1,305,700.14 and 538,364.15

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Solution

The fourth proportional to 946,286.12, 1,305,700.14 and 538,364.15 is: 742,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,286.12 : 1,305,700.14 = 538,364.15 : x
  2. Step 2: Convert to fraction form
    946,286.12/1,305,700.14 = 538,364.15/x
  3. Step 3: Cross multiply
    946,286.12x = 1,305,700.14 × 538,364.15
  4. Step 4: Simplify right side
    946,286.12x = 702,942,146,025.98
  5. Step 5: Solve for x
    x = 702,942,146,025.98/946,286.12
  6. Step 6: Final answer
    x = 742,843.13

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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.