Home / 1,090,653.36-1,504,711.96-631,517.28

Finding the Fourth Proportional to 1,090,653.36, 1,504,711.96 and 631,517.28

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Solution

The fourth proportional to 1,090,653.36, 1,504,711.96 and 631,517.28 is: 871,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,653.36 : 1,504,711.96 = 631,517.28 : x
  2. Step 2: Convert to fraction form
    1,090,653.36/1,504,711.96 = 631,517.28/x
  3. Step 3: Cross multiply
    1,090,653.36x = 1,504,711.96 × 631,517.28
  4. Step 4: Simplify right side
    1,090,653.36x = 950,251,604,162.67
  5. Step 5: Solve for x
    x = 950,251,604,162.67/1,090,653.36
  6. Step 6: Final answer
    x = 871,268.21

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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.