Home / 1,505,970.59-2,078,239.43-826,907.09

Finding the Fourth Proportional to 1,505,970.59, 2,078,239.43 and 826,907.09

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Solution

The fourth proportional to 1,505,970.59, 2,078,239.43 and 826,907.09 is: 1,141,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,970.59 : 2,078,239.43 = 826,907.09 : x
  2. Step 2: Convert to fraction form
    1,505,970.59/2,078,239.43 = 826,907.09/x
  3. Step 3: Cross multiply
    1,505,970.59x = 2,078,239.43 × 826,907.09
  4. Step 4: Simplify right side
    1,505,970.59x = 1,718,510,919,384.56
  5. Step 5: Solve for x
    x = 1,718,510,919,384.56/1,505,970.59
  6. Step 6: Final answer
    x = 1,141,131.79

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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.