Home / 1,201,418.36-1,657,889.88-657,553.04

Finding the Fourth Proportional to 1,201,418.36, 1,657,889.88 and 657,553.04

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Solution

The fourth proportional to 1,201,418.36, 1,657,889.88 and 657,553.04 is: 907,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,418.36 : 1,657,889.88 = 657,553.04 : x
  2. Step 2: Convert to fraction form
    1,201,418.36/1,657,889.88 = 657,553.04/x
  3. Step 3: Cross multiply
    1,201,418.36x = 1,657,889.88 × 657,553.04
  4. Step 4: Simplify right side
    1,201,418.36x = 1,090,150,530,579.24
  5. Step 5: Solve for x
    x = 1,090,150,530,579.24/1,201,418.36
  6. Step 6: Final answer
    x = 907,386.28

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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.