Home / 1,040,651.16-1,560,954.51-479,685.66

Finding the Fourth Proportional to 1,040,651.16, 1,560,954.51 and 479,685.66

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Solution

The fourth proportional to 1,040,651.16, 1,560,954.51 and 479,685.66 is: 719,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,651.16 : 1,560,954.51 = 479,685.66 : x
  2. Step 2: Convert to fraction form
    1,040,651.16/1,560,954.51 = 479,685.66/x
  3. Step 3: Cross multiply
    1,040,651.16x = 1,560,954.51 × 479,685.66
  4. Step 4: Simplify right side
    1,040,651.16x = 748,767,494,359.33
  5. Step 5: Solve for x
    x = 748,767,494,359.33/1,040,651.16
  6. Step 6: Final answer
    x = 719,518.24

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Double scale
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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.