Home / 1,208,433.81-1,812,798.41-409,943.78

Finding the Fourth Proportional to 1,208,433.81, 1,812,798.41 and 409,943.78

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Solution

The fourth proportional to 1,208,433.81, 1,812,798.41 and 409,943.78 is: 614,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,433.81 : 1,812,798.41 = 409,943.78 : x
  2. Step 2: Convert to fraction form
    1,208,433.81/1,812,798.41 = 409,943.78/x
  3. Step 3: Cross multiply
    1,208,433.81x = 1,812,798.41 × 409,943.78
  4. Step 4: Simplify right side
    1,208,433.81x = 743,145,421,459.68
  5. Step 5: Solve for x
    x = 743,145,421,459.68/1,208,433.81
  6. Step 6: Final answer
    x = 614,965.76

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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.