Home / 1,219,685.23-1,683,163.96-675,856.23

Finding the Fourth Proportional to 1,219,685.23, 1,683,163.96 and 675,856.23

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Solution

The fourth proportional to 1,219,685.23, 1,683,163.96 and 675,856.23 is: 932,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,685.23 : 1,683,163.96 = 675,856.23 : x
  2. Step 2: Convert to fraction form
    1,219,685.23/1,683,163.96 = 675,856.23/x
  3. Step 3: Cross multiply
    1,219,685.23x = 1,683,163.96 × 675,856.23
  4. Step 4: Simplify right side
    1,219,685.23x = 1,137,576,856,901.39
  5. Step 5: Solve for x
    x = 1,137,576,856,901.39/1,219,685.23
  6. Step 6: Final answer
    x = 932,680.69

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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.