Home / 1,621,744.39-2,238,362.54-943,072.39

Finding the Fourth Proportional to 1,621,744.39, 2,238,362.54 and 943,072.39

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Solution

The fourth proportional to 1,621,744.39, 2,238,362.54 and 943,072.39 is: 1,301,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,744.39 : 2,238,362.54 = 943,072.39 : x
  2. Step 2: Convert to fraction form
    1,621,744.39/2,238,362.54 = 943,072.39/x
  3. Step 3: Cross multiply
    1,621,744.39x = 2,238,362.54 × 943,072.39
  4. Step 4: Simplify right side
    1,621,744.39x = 2,110,937,905,568.91
  5. Step 5: Solve for x
    x = 2,110,937,905,568.91/1,621,744.39
  6. Step 6: Final answer
    x = 1,301,646.50

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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.