Home / 1,181,640.29-1,772,570.66-915,699.24

Finding the Fourth Proportional to 1,181,640.29, 1,772,570.66 and 915,699.24

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Solution

The fourth proportional to 1,181,640.29, 1,772,570.66 and 915,699.24 is: 1,373,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,640.29 : 1,772,570.66 = 915,699.24 : x
  2. Step 2: Convert to fraction form
    1,181,640.29/1,772,570.66 = 915,699.24/x
  3. Step 3: Cross multiply
    1,181,640.29x = 1,772,570.66 × 915,699.24
  4. Step 4: Simplify right side
    1,181,640.29x = 1,623,141,601,629.80
  5. Step 5: Solve for x
    x = 1,623,141,601,629.80/1,181,640.29
  6. Step 6: Final answer
    x = 1,373,634.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.