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Finding the Fourth Proportional to 910,614.27, 1,256,754 and 757,382.12

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Solution

The fourth proportional to 910,614.27, 1,256,754 and 757,382.12 is: 1,045,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,614.27 : 1,256,754 = 757,382.12 : x
  2. Step 2: Convert to fraction form
    910,614.27/1,256,754 = 757,382.12/x
  3. Step 3: Cross multiply
    910,614.27x = 1,256,754 × 757,382.12
  4. Step 4: Simplify right side
    910,614.27x = 951,843,002,554.71
  5. Step 5: Solve for x
    x = 951,843,002,554.71/910,614.27
  6. Step 6: Final answer
    x = 1,045,275.74

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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.