Home / 909,191.49-1,254,379.68-587,119.29

Finding the Fourth Proportional to 909,191.49, 1,254,379.68 and 587,119.29

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Solution

The fourth proportional to 909,191.49, 1,254,379.68 and 587,119.29 is: 810,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,191.49 : 1,254,379.68 = 587,119.29 : x
  2. Step 2: Convert to fraction form
    909,191.49/1,254,379.68 = 587,119.29/x
  3. Step 3: Cross multiply
    909,191.49x = 1,254,379.68 × 587,119.29
  4. Step 4: Simplify right side
    909,191.49x = 736,470,507,112.03
  5. Step 5: Solve for x
    x = 736,470,507,112.03/909,191.49
  6. Step 6: Final answer
    x = 810,027.94

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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.