Home / 1,238,832.84-1,856,994.24-839,514

Finding the Fourth Proportional to 1,238,832.84, 1,856,994.24 and 839,514

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Solution

The fourth proportional to 1,238,832.84, 1,856,994.24 and 839,514 is: 1,258,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,832.84 : 1,856,994.24 = 839,514 : x
  2. Step 2: Convert to fraction form
    1,238,832.84/1,856,994.24 = 839,514/x
  3. Step 3: Cross multiply
    1,238,832.84x = 1,856,994.24 × 839,514
  4. Step 4: Simplify right side
    1,238,832.84x = 1,558,972,662,399.36
  5. Step 5: Solve for x
    x = 1,558,972,662,399.36/1,238,832.84
  6. Step 6: Final answer
    x = 1,258,420.52

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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.