Home / 1,036,690.54-1,554,930.66-278,433.46

Finding the Fourth Proportional to 1,036,690.54, 1,554,930.66 and 278,433.46

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Solution

The fourth proportional to 1,036,690.54, 1,554,930.66 and 278,433.46 is: 417,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,690.54 : 1,554,930.66 = 278,433.46 : x
  2. Step 2: Convert to fraction form
    1,036,690.54/1,554,930.66 = 278,433.46/x
  3. Step 3: Cross multiply
    1,036,690.54x = 1,554,930.66 × 278,433.46
  4. Step 4: Simplify right side
    1,036,690.54x = 432,944,723,723.88
  5. Step 5: Solve for x
    x = 432,944,723,723.88/1,036,690.54
  6. Step 6: Final answer
    x = 417,621.95

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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.