Home / 1,857,813.33-2,786,051.42-643,059.90

Finding the Fourth Proportional to 1,857,813.33, 2,786,051.42 and 643,059.90

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Solution

The fourth proportional to 1,857,813.33, 2,786,051.42 and 643,059.90 is: 964,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,813.33 : 2,786,051.42 = 643,059.90 : x
  2. Step 2: Convert to fraction form
    1,857,813.33/2,786,051.42 = 643,059.90/x
  3. Step 3: Cross multiply
    1,857,813.33x = 2,786,051.42 × 643,059.90
  4. Step 4: Simplify right side
    1,857,813.33x = 1,791,597,956,380.61
  5. Step 5: Solve for x
    x = 1,791,597,956,380.61/1,857,813.33
  6. Step 6: Final answer
    x = 964,358.43

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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.