Home / 1,606,454.60-2,216,766.15-917,989.83

Finding the Fourth Proportional to 1,606,454.60, 2,216,766.15 and 917,989.83

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Solution

The fourth proportional to 1,606,454.60, 2,216,766.15 and 917,989.83 is: 1,266,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,454.60 : 2,216,766.15 = 917,989.83 : x
  2. Step 2: Convert to fraction form
    1,606,454.60/2,216,766.15 = 917,989.83/x
  3. Step 3: Cross multiply
    1,606,454.60x = 2,216,766.15 × 917,989.83
  4. Step 4: Simplify right side
    1,606,454.60x = 2,034,968,781,188.25
  5. Step 5: Solve for x
    x = 2,034,968,781,188.25/1,606,454.60
  6. Step 6: Final answer
    x = 1,266,745.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.