Home / 1,605,706.89-2,408,560.32-540,659.76

Finding the Fourth Proportional to 1,605,706.89, 2,408,560.32 and 540,659.76

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Solution

The fourth proportional to 1,605,706.89, 2,408,560.32 and 540,659.76 is: 810,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,706.89 : 2,408,560.32 = 540,659.76 : x
  2. Step 2: Convert to fraction form
    1,605,706.89/2,408,560.32 = 540,659.76/x
  3. Step 3: Cross multiply
    1,605,706.89x = 2,408,560.32 × 540,659.76
  4. Step 4: Simplify right side
    1,605,706.89x = 1,302,211,644,556.72
  5. Step 5: Solve for x
    x = 1,302,211,644,556.72/1,605,706.89
  6. Step 6: Final answer
    x = 810,989.63

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1.5x scale

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.