Home / 1,865,389.57-2,794,705.40-855,356.42

Finding the Fourth Proportional to 1,865,389.57, 2,794,705.40 and 855,356.42

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Solution

The fourth proportional to 1,865,389.57, 2,794,705.40 and 855,356.42 is: 1,281,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,389.57 : 2,794,705.40 = 855,356.42 : x
  2. Step 2: Convert to fraction form
    1,865,389.57/2,794,705.40 = 855,356.42/x
  3. Step 3: Cross multiply
    1,865,389.57x = 2,794,705.40 × 855,356.42
  4. Step 4: Simplify right side
    1,865,389.57x = 2,390,469,215,023.82
  5. Step 5: Solve for x
    x = 2,390,469,215,023.82/1,865,389.57
  6. Step 6: Final answer
    x = 1,281,485.25

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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.