Home / 1,036,692.76-1,554,933.97-278,435.70

Finding the Fourth Proportional to 1,036,692.76, 1,554,933.97 and 278,435.70

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Solution

The fourth proportional to 1,036,692.76, 1,554,933.97 and 278,435.70 is: 417,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,692.76 : 1,554,933.97 = 278,435.70 : x
  2. Step 2: Convert to fraction form
    1,036,692.76/1,554,933.97 = 278,435.70/x
  3. Step 3: Cross multiply
    1,036,692.76x = 1,554,933.97 × 278,435.70
  4. Step 4: Simplify right side
    1,036,692.76x = 432,949,128,390.73
  5. Step 5: Solve for x
    x = 432,949,128,390.73/1,036,692.76
  6. Step 6: Final answer
    x = 417,625.30

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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.