Home / 1,197,991.49-1,653,262.31-654,161.81

Finding the Fourth Proportional to 1,197,991.49, 1,653,262.31 and 654,161.81

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Solution

The fourth proportional to 1,197,991.49, 1,653,262.31 and 654,161.81 is: 902,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,991.49 : 1,653,262.31 = 654,161.81 : x
  2. Step 2: Convert to fraction form
    1,197,991.49/1,653,262.31 = 654,161.81/x
  3. Step 3: Cross multiply
    1,197,991.49x = 1,653,262.31 × 654,161.81
  4. Step 4: Simplify right side
    1,197,991.49x = 1,081,501,058,483.47
  5. Step 5: Solve for x
    x = 1,081,501,058,483.47/1,197,991.49
  6. Step 6: Final answer
    x = 902,761.89

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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.