Home / 1,040,607.61-1,561,225.79-493,919.57

Finding the Fourth Proportional to 1,040,607.61, 1,561,225.79 and 493,919.57

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Solution

The fourth proportional to 1,040,607.61, 1,561,225.79 and 493,919.57 is: 741,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,607.61 : 1,561,225.79 = 493,919.57 : x
  2. Step 2: Convert to fraction form
    1,040,607.61/1,561,225.79 = 493,919.57/x
  3. Step 3: Cross multiply
    1,040,607.61x = 1,561,225.79 × 493,919.57
  4. Step 4: Simplify right side
    1,040,607.61x = 771,119,976,007.57
  5. Step 5: Solve for x
    x = 771,119,976,007.57/1,040,607.61
  6. Step 6: Final answer
    x = 741,028.58

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1.5x scale

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.