Home / 1,728,075.06-2,591,885.01-513,625.76

Finding the Fourth Proportional to 1,728,075.06, 2,591,885.01 and 513,625.76

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Solution

The fourth proportional to 1,728,075.06, 2,591,885.01 and 513,625.76 is: 770,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,075.06 : 2,591,885.01 = 513,625.76 : x
  2. Step 2: Convert to fraction form
    1,728,075.06/2,591,885.01 = 513,625.76/x
  3. Step 3: Cross multiply
    1,728,075.06x = 2,591,885.01 × 513,625.76
  4. Step 4: Simplify right side
    1,728,075.06x = 1,331,258,902,446.38
  5. Step 5: Solve for x
    x = 1,331,258,902,446.38/1,728,075.06
  6. Step 6: Final answer
    x = 770,370.99

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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.