Home / 1,260,982.69-1,891,490.54-419,534.44

Finding the Fourth Proportional to 1,260,982.69, 1,891,490.54 and 419,534.44

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Solution

The fourth proportional to 1,260,982.69, 1,891,490.54 and 419,534.44 is: 629,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,982.69 : 1,891,490.54 = 419,534.44 : x
  2. Step 2: Convert to fraction form
    1,260,982.69/1,891,490.54 = 419,534.44/x
  3. Step 3: Cross multiply
    1,260,982.69x = 1,891,490.54 × 419,534.44
  4. Step 4: Simplify right side
    1,260,982.69x = 793,545,417,637.80
  5. Step 5: Solve for x
    x = 793,545,417,637.80/1,260,982.69
  6. Step 6: Final answer
    x = 629,307.15

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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.