Home / 1,618,773.60-2,428,840.80-869,944.80

Finding the Fourth Proportional to 1,618,773.60, 2,428,840.80 and 869,944.80

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Solution

The fourth proportional to 1,618,773.60, 2,428,840.80 and 869,944.80 is: 1,305,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,773.60 : 2,428,840.80 = 869,944.80 : x
  2. Step 2: Convert to fraction form
    1,618,773.60/2,428,840.80 = 869,944.80/x
  3. Step 3: Cross multiply
    1,618,773.60x = 2,428,840.80 × 869,944.80
  4. Step 4: Simplify right side
    1,618,773.60x = 2,112,957,423,987.84
  5. Step 5: Solve for x
    x = 2,112,957,423,987.84/1,618,773.60
  6. Step 6: Final answer
    x = 1,305,282.85

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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.