Home / 1,505,889.83-2,078,131.14-817,562.57

Finding the Fourth Proportional to 1,505,889.83, 2,078,131.14 and 817,562.57

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Solution

The fourth proportional to 1,505,889.83, 2,078,131.14 and 817,562.57 is: 1,128,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,889.83 : 2,078,131.14 = 817,562.57 : x
  2. Step 2: Convert to fraction form
    1,505,889.83/2,078,131.14 = 817,562.57/x
  3. Step 3: Cross multiply
    1,505,889.83x = 2,078,131.14 × 817,562.57
  4. Step 4: Simplify right side
    1,505,889.83x = 1,699,002,225,224.77
  5. Step 5: Solve for x
    x = 1,699,002,225,224.77/1,505,889.83
  6. Step 6: Final answer
    x = 1,128,238.06

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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.