Home / 1,216,766.16-1,825,406.28-458,591.58

Finding the Fourth Proportional to 1,216,766.16, 1,825,406.28 and 458,591.58

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Solution

The fourth proportional to 1,216,766.16, 1,825,406.28 and 458,591.58 is: 687,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,766.16 : 1,825,406.28 = 458,591.58 : x
  2. Step 2: Convert to fraction form
    1,216,766.16/1,825,406.28 = 458,591.58/x
  3. Step 3: Cross multiply
    1,216,766.16x = 1,825,406.28 × 458,591.58
  4. Step 4: Simplify right side
    1,216,766.16x = 837,115,950,087.12
  5. Step 5: Solve for x
    x = 837,115,950,087.12/1,216,766.16
  6. Step 6: Final answer
    x = 687,984.25

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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.