Home / 1,617,887.80-2,233,129.26-939,043

Finding the Fourth Proportional to 1,617,887.80, 2,233,129.26 and 939,043

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Solution

The fourth proportional to 1,617,887.80, 2,233,129.26 and 939,043 is: 1,296,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,887.80 : 2,233,129.26 = 939,043 : x
  2. Step 2: Convert to fraction form
    1,617,887.80/2,233,129.26 = 939,043/x
  3. Step 3: Cross multiply
    1,617,887.80x = 2,233,129.26 × 939,043
  4. Step 4: Simplify right side
    1,617,887.80x = 2,097,004,399,698.18
  5. Step 5: Solve for x
    x = 2,097,004,399,698.18/1,617,887.80
  6. Step 6: Final answer
    x = 1,296,137.10

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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.