Home / 1,763,687.91-2,433,915.18-989,489.91

Finding the Fourth Proportional to 1,763,687.91, 2,433,915.18 and 989,489.91

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Solution

The fourth proportional to 1,763,687.91, 2,433,915.18 and 989,489.91 is: 1,365,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,687.91 : 2,433,915.18 = 989,489.91 : x
  2. Step 2: Convert to fraction form
    1,763,687.91/2,433,915.18 = 989,489.91/x
  3. Step 3: Cross multiply
    1,763,687.91x = 2,433,915.18 × 989,489.91
  4. Step 4: Simplify right side
    1,763,687.91x = 2,408,334,512,405.83
  5. Step 5: Solve for x
    x = 2,408,334,512,405.83/1,763,687.91
  6. Step 6: Final answer
    x = 1,365,510.59

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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.