Home / 1,701,138.70-2,552,692.20-636,288.40

Finding the Fourth Proportional to 1,701,138.70, 2,552,692.20 and 636,288.40

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Solution

The fourth proportional to 1,701,138.70, 2,552,692.20 and 636,288.40 is: 954,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701,138.70 : 2,552,692.20 = 636,288.40 : x
  2. Step 2: Convert to fraction form
    1,701,138.70/2,552,692.20 = 636,288.40/x
  3. Step 3: Cross multiply
    1,701,138.70x = 2,552,692.20 × 636,288.40
  4. Step 4: Simplify right side
    1,701,138.70x = 1,624,248,435,630.48
  5. Step 5: Solve for x
    x = 1,624,248,435,630.48/1,701,138.70
  6. Step 6: Final answer
    x = 954,800.71

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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.