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Finding the Fourth Proportional to 723,762.56, 1,087,340.43 and 682,863.50

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Solution

The fourth proportional to 723,762.56, 1,087,340.43 and 682,863.50 is: 1,025,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,762.56 : 1,087,340.43 = 682,863.50 : x
  2. Step 2: Convert to fraction form
    723,762.56/1,087,340.43 = 682,863.50/x
  3. Step 3: Cross multiply
    723,762.56x = 1,087,340.43 × 682,863.50
  4. Step 4: Simplify right side
    723,762.56x = 742,505,091,721.31
  5. Step 5: Solve for x
    x = 742,505,091,721.31/723,762.56
  6. Step 6: Final answer
    x = 1,025,895.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.