Home / 1,507,971.77-2,080,993.23-819,647.33

Finding the Fourth Proportional to 1,507,971.77, 2,080,993.23 and 819,647.33

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Solution

The fourth proportional to 1,507,971.77, 2,080,993.23 and 819,647.33 is: 1,131,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,971.77 : 2,080,993.23 = 819,647.33 : x
  2. Step 2: Convert to fraction form
    1,507,971.77/2,080,993.23 = 819,647.33/x
  3. Step 3: Cross multiply
    1,507,971.77x = 2,080,993.23 × 819,647.33
  4. Step 4: Simplify right side
    1,507,971.77x = 1,705,680,549,920.06
  5. Step 5: Solve for x
    x = 1,705,680,549,920.06/1,507,971.77
  6. Step 6: Final answer
    x = 1,131,109.07

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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.