Home / 1,078,661.45-1,617,571.66-404,374.83

Finding the Fourth Proportional to 1,078,661.45, 1,617,571.66 and 404,374.83

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Solution

The fourth proportional to 1,078,661.45, 1,617,571.66 and 404,374.83 is: 606,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,661.45 : 1,617,571.66 = 404,374.83 : x
  2. Step 2: Convert to fraction form
    1,078,661.45/1,617,571.66 = 404,374.83/x
  3. Step 3: Cross multiply
    1,078,661.45x = 1,617,571.66 × 404,374.83
  4. Step 4: Simplify right side
    1,078,661.45x = 654,105,265,025.32
  5. Step 5: Solve for x
    x = 654,105,265,025.32/1,078,661.45
  6. Step 6: Final answer
    x = 606,404.60

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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.