Home / 1,505,857.59-2,077,998.57-877,392.21

Finding the Fourth Proportional to 1,505,857.59, 2,077,998.57 and 877,392.21

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Solution

The fourth proportional to 1,505,857.59, 2,077,998.57 and 877,392.21 is: 1,210,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,857.59 : 2,077,998.57 = 877,392.21 : x
  2. Step 2: Convert to fraction form
    1,505,857.59/2,077,998.57 = 877,392.21/x
  3. Step 3: Cross multiply
    1,505,857.59x = 2,077,998.57 × 877,392.21
  4. Step 4: Simplify right side
    1,505,857.59x = 1,823,219,757,709.14
  5. Step 5: Solve for x
    x = 1,823,219,757,709.14/1,505,857.59
  6. Step 6: Final answer
    x = 1,210,751.78

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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.