Home / 1,851,401.70-2,777,102.55-521,705.70

Finding the Fourth Proportional to 1,851,401.70, 2,777,102.55 and 521,705.70

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Solution

The fourth proportional to 1,851,401.70, 2,777,102.55 and 521,705.70 is: 782,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,401.70 : 2,777,102.55 = 521,705.70 : x
  2. Step 2: Convert to fraction form
    1,851,401.70/2,777,102.55 = 521,705.70/x
  3. Step 3: Cross multiply
    1,851,401.70x = 2,777,102.55 × 521,705.70
  4. Step 4: Simplify right side
    1,851,401.70x = 1,448,830,229,819.54
  5. Step 5: Solve for x
    x = 1,448,830,229,819.54/1,851,401.70
  6. Step 6: Final answer
    x = 782,558.55

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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.