Home / 1,273,141.81-1,761,562.07-1,110,138.22

Finding the Fourth Proportional to 1,273,141.81, 1,761,562.07 and 1,110,138.22

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Solution

The fourth proportional to 1,273,141.81, 1,761,562.07 and 1,110,138.22 is: 1,536,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,141.81 : 1,761,562.07 = 1,110,138.22 : x
  2. Step 2: Convert to fraction form
    1,273,141.81/1,761,562.07 = 1,110,138.22/x
  3. Step 3: Cross multiply
    1,273,141.81x = 1,761,562.07 × 1,110,138.22
  4. Step 4: Simplify right side
    1,273,141.81x = 1,955,577,380,809.32
  5. Step 5: Solve for x
    x = 1,955,577,380,809.32/1,273,141.81
  6. Step 6: Final answer
    x = 1,536,024.79

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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.