Home / 1,173,342.49-1,619,213.31-636,798.49

Finding the Fourth Proportional to 1,173,342.49, 1,619,213.31 and 636,798.49

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Solution

The fourth proportional to 1,173,342.49, 1,619,213.31 and 636,798.49 is: 878,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,342.49 : 1,619,213.31 = 636,798.49 : x
  2. Step 2: Convert to fraction form
    1,173,342.49/1,619,213.31 = 636,798.49/x
  3. Step 3: Cross multiply
    1,173,342.49x = 1,619,213.31 × 636,798.49
  4. Step 4: Simplify right side
    1,173,342.49x = 1,031,112,590,795.90
  5. Step 5: Solve for x
    x = 1,031,112,590,795.90/1,173,342.49
  6. Step 6: Final answer
    x = 878,782.28

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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.