Home / 641,655.92-962,533.56-215,194.16

Finding the Fourth Proportional to 641,655.92, 962,533.56 and 215,194.16

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Solution

The fourth proportional to 641,655.92, 962,533.56 and 215,194.16 is: 322,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,655.92 : 962,533.56 = 215,194.16 : x
  2. Step 2: Convert to fraction form
    641,655.92/962,533.56 = 215,194.16/x
  3. Step 3: Cross multiply
    641,655.92x = 962,533.56 × 215,194.16
  4. Step 4: Simplify right side
    641,655.92x = 207,131,600,916.01
  5. Step 5: Solve for x
    x = 207,131,600,916.01/641,655.92
  6. Step 6: Final answer
    x = 322,807.90

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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.