Home / 1,812,605.28-2,501,459.51-996,872.05

Finding the Fourth Proportional to 1,812,605.28, 2,501,459.51 and 996,872.05

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Solution

The fourth proportional to 1,812,605.28, 2,501,459.51 and 996,872.05 is: 1,375,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,605.28 : 2,501,459.51 = 996,872.05 : x
  2. Step 2: Convert to fraction form
    1,812,605.28/2,501,459.51 = 996,872.05/x
  3. Step 3: Cross multiply
    1,812,605.28x = 2,501,459.51 × 996,872.05
  4. Step 4: Simplify right side
    1,812,605.28x = 2,493,635,075,344.70
  5. Step 5: Solve for x
    x = 2,493,635,075,344.70/1,812,605.28
  6. Step 6: Final answer
    x = 1,375,718.75

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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.