Home / 1,576,703.78-2,175,853.32-897,640.28

Finding the Fourth Proportional to 1,576,703.78, 2,175,853.32 and 897,640.28

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Solution

The fourth proportional to 1,576,703.78, 2,175,853.32 and 897,640.28 is: 1,238,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,703.78 : 2,175,853.32 = 897,640.28 : x
  2. Step 2: Convert to fraction form
    1,576,703.78/2,175,853.32 = 897,640.28/x
  3. Step 3: Cross multiply
    1,576,703.78x = 2,175,853.32 × 897,640.28
  4. Step 4: Simplify right side
    1,576,703.78x = 1,953,133,583,403.73
  5. Step 5: Solve for x
    x = 1,953,133,583,403.73/1,576,703.78
  6. Step 6: Final answer
    x = 1,238,744.78

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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.