Home / 1,439,151.14-1,985,311.59-857,964.75

Finding the Fourth Proportional to 1,439,151.14, 1,985,311.59 and 857,964.75

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Solution

The fourth proportional to 1,439,151.14, 1,985,311.59 and 857,964.75 is: 1,183,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,151.14 : 1,985,311.59 = 857,964.75 : x
  2. Step 2: Convert to fraction form
    1,439,151.14/1,985,311.59 = 857,964.75/x
  3. Step 3: Cross multiply
    1,439,151.14x = 1,985,311.59 × 857,964.75
  4. Step 4: Simplify right side
    1,439,151.14x = 1,703,327,367,317.60
  5. Step 5: Solve for x
    x = 1,703,327,367,317.60/1,439,151.14
  6. Step 6: Final answer
    x = 1,183,563.92

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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.