Home / 1,108,016.48-1,661,433.84-575,000.80

Finding the Fourth Proportional to 1,108,016.48, 1,661,433.84 and 575,000.80

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Solution

The fourth proportional to 1,108,016.48, 1,661,433.84 and 575,000.80 is: 862,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,016.48 : 1,661,433.84 = 575,000.80 : x
  2. Step 2: Convert to fraction form
    1,108,016.48/1,661,433.84 = 575,000.80/x
  3. Step 3: Cross multiply
    1,108,016.48x = 1,661,433.84 × 575,000.80
  4. Step 4: Simplify right side
    1,108,016.48x = 955,325,787,147.07
  5. Step 5: Solve for x
    x = 955,325,787,147.07/1,108,016.48
  6. Step 6: Final answer
    x = 862,194.57

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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.