Home / 1,972,154.49-2,956,896.85-773,328.57

Finding the Fourth Proportional to 1,972,154.49, 2,956,896.85 and 773,328.57

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Solution

The fourth proportional to 1,972,154.49, 2,956,896.85 and 773,328.57 is: 1,159,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,154.49 : 2,956,896.85 = 773,328.57 : x
  2. Step 2: Convert to fraction form
    1,972,154.49/2,956,896.85 = 773,328.57/x
  3. Step 3: Cross multiply
    1,972,154.49x = 2,956,896.85 × 773,328.57
  4. Step 4: Simplify right side
    1,972,154.49x = 2,286,652,812,648.00
  5. Step 5: Solve for x
    x = 2,286,652,812,648.00/1,972,154.49
  6. Step 6: Final answer
    x = 1,159,469.41

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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.