Home / 957,394.92-1,321,145.64-527,678.64

Finding the Fourth Proportional to 957,394.92, 1,321,145.64 and 527,678.64

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Solution

The fourth proportional to 957,394.92, 1,321,145.64 and 527,678.64 is: 728,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,394.92 : 1,321,145.64 = 527,678.64 : x
  2. Step 2: Convert to fraction form
    957,394.92/1,321,145.64 = 527,678.64/x
  3. Step 3: Cross multiply
    957,394.92x = 1,321,145.64 × 527,678.64
  4. Step 4: Simplify right side
    957,394.92x = 697,140,334,557.13
  5. Step 5: Solve for x
    x = 697,140,334,557.13/957,394.92
  6. Step 6: Final answer
    x = 728,163.81

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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.