Home / 583,401.22-805,021.05-325,214.80

Finding the Fourth Proportional to 583,401.22, 805,021.05 and 325,214.80

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Solution

The fourth proportional to 583,401.22, 805,021.05 and 325,214.80 is: 448,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,401.22 : 805,021.05 = 325,214.80 : x
  2. Step 2: Convert to fraction form
    583,401.22/805,021.05 = 325,214.80/x
  3. Step 3: Cross multiply
    583,401.22x = 805,021.05 × 325,214.80
  4. Step 4: Simplify right side
    583,401.22x = 261,804,759,771.54
  5. Step 5: Solve for x
    x = 261,804,759,771.54/583,401.22
  6. Step 6: Final answer
    x = 448,755.93

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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.