Home / 922,905.40-1,384,358.10-834,331.90

Finding the Fourth Proportional to 922,905.40, 1,384,358.10 and 834,331.90

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Solution

The fourth proportional to 922,905.40, 1,384,358.10 and 834,331.90 is: 1,251,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,905.40 : 1,384,358.10 = 834,331.90 : x
  2. Step 2: Convert to fraction form
    922,905.40/1,384,358.10 = 834,331.90/x
  3. Step 3: Cross multiply
    922,905.40x = 1,384,358.10 × 834,331.90
  4. Step 4: Simplify right side
    922,905.40x = 1,155,014,123,853.39
  5. Step 5: Solve for x
    x = 1,155,014,123,853.39/922,905.40
  6. Step 6: Final answer
    x = 1,251,497.85

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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.