Home / 1,600,803.12-2,401,372.88-521,399.73

Finding the Fourth Proportional to 1,600,803.12, 2,401,372.88 and 521,399.73

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Solution

The fourth proportional to 1,600,803.12, 2,401,372.88 and 521,399.73 is: 782,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,803.12 : 2,401,372.88 = 521,399.73 : x
  2. Step 2: Convert to fraction form
    1,600,803.12/2,401,372.88 = 521,399.73/x
  3. Step 3: Cross multiply
    1,600,803.12x = 2,401,372.88 × 521,399.73
  4. Step 4: Simplify right side
    1,600,803.12x = 1,252,075,164,537.30
  5. Step 5: Solve for x
    x = 1,252,075,164,537.30/1,600,803.12
  6. Step 6: Final answer
    x = 782,154.38

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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.