Home / 1,444,972.60-1,994,127.82-800,392.72

Finding the Fourth Proportional to 1,444,972.60, 1,994,127.82 and 800,392.72

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Solution

The fourth proportional to 1,444,972.60, 1,994,127.82 and 800,392.72 is: 1,104,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,972.60 : 1,994,127.82 = 800,392.72 : x
  2. Step 2: Convert to fraction form
    1,444,972.60/1,994,127.82 = 800,392.72/x
  3. Step 3: Cross multiply
    1,444,972.60x = 1,994,127.82 × 800,392.72
  4. Step 4: Simplify right side
    1,444,972.60x = 1,596,085,389,877.47
  5. Step 5: Solve for x
    x = 1,596,085,389,877.47/1,444,972.60
  6. Step 6: Final answer
    x = 1,104,578.31

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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.