Home / 1,090,637.56-1,504,690.32-631,501.56

Finding the Fourth Proportional to 1,090,637.56, 1,504,690.32 and 631,501.56

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Solution

The fourth proportional to 1,090,637.56, 1,504,690.32 and 631,501.56 is: 871,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,637.56 : 1,504,690.32 = 631,501.56 : x
  2. Step 2: Convert to fraction form
    1,090,637.56/1,504,690.32 = 631,501.56/x
  3. Step 3: Cross multiply
    1,090,637.56x = 1,504,690.32 × 631,501.56
  4. Step 4: Simplify right side
    1,090,637.56x = 950,214,284,396.90
  5. Step 5: Solve for x
    x = 950,214,284,396.90/1,090,637.56
  6. Step 6: Final answer
    x = 871,246.62

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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.