Home / 1,414,345.84-1,951,838.70-769,807.78

Finding the Fourth Proportional to 1,414,345.84, 1,951,838.70 and 769,807.78

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Solution

The fourth proportional to 1,414,345.84, 1,951,838.70 and 769,807.78 is: 1,062,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,345.84 : 1,951,838.70 = 769,807.78 : x
  2. Step 2: Convert to fraction form
    1,414,345.84/1,951,838.70 = 769,807.78/x
  3. Step 3: Cross multiply
    1,414,345.84x = 1,951,838.70 × 769,807.78
  4. Step 4: Simplify right side
    1,414,345.84x = 1,502,540,616,565.09
  5. Step 5: Solve for x
    x = 1,502,540,616,565.09/1,414,345.84
  6. Step 6: Final answer
    x = 1,062,357.29

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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.