Home / 927,078.28-1,388,265.18-776,923.72

Finding the Fourth Proportional to 927,078.28, 1,388,265.18 and 776,923.72

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Solution

The fourth proportional to 927,078.28, 1,388,265.18 and 776,923.72 is: 1,163,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,078.28 : 1,388,265.18 = 776,923.72 : x
  2. Step 2: Convert to fraction form
    927,078.28/1,388,265.18 = 776,923.72/x
  3. Step 3: Cross multiply
    927,078.28x = 1,388,265.18 × 776,923.72
  4. Step 4: Simplify right side
    927,078.28x = 1,078,576,147,992.07
  5. Step 5: Solve for x
    x = 1,078,576,147,992.07/927,078.28
  6. Step 6: Final answer
    x = 1,163,414.32

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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.