Home / 1,716,615.20-2,575,163.36-518,401.60

Finding the Fourth Proportional to 1,716,615.20, 2,575,163.36 and 518,401.60

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Solution

The fourth proportional to 1,716,615.20, 2,575,163.36 and 518,401.60 is: 777,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,615.20 : 2,575,163.36 = 518,401.60 : x
  2. Step 2: Convert to fraction form
    1,716,615.20/2,575,163.36 = 518,401.60/x
  3. Step 3: Cross multiply
    1,716,615.20x = 2,575,163.36 × 518,401.60
  4. Step 4: Simplify right side
    1,716,615.20x = 1,334,968,806,085.38
  5. Step 5: Solve for x
    x = 1,334,968,806,085.38/1,716,615.20
  6. Step 6: Final answer
    x = 777,675.05

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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.