Home / 1,466,991.98-2,199,762.21-520,220.78

Finding the Fourth Proportional to 1,466,991.98, 2,199,762.21 and 520,220.78

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Solution

The fourth proportional to 1,466,991.98, 2,199,762.21 and 520,220.78 is: 780,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,991.98 : 2,199,762.21 = 520,220.78 : x
  2. Step 2: Convert to fraction form
    1,466,991.98/2,199,762.21 = 520,220.78/x
  3. Step 3: Cross multiply
    1,466,991.98x = 2,199,762.21 × 520,220.78
  4. Step 4: Simplify right side
    1,466,991.98x = 1,144,362,012,700.72
  5. Step 5: Solve for x
    x = 1,144,362,012,700.72/1,466,991.98
  6. Step 6: Final answer
    x = 780,073.80

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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.