Home / 1,785.14-2,463.26-999.19

Finding the Fourth Proportional to 1,785.14, 2,463.26 and 999.19

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Solution

The fourth proportional to 1,785.14, 2,463.26 and 999.19 is: 1,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.14 : 2,463.26 = 999.19 : x
  2. Step 2: Convert to fraction form
    1,785.14/2,463.26 = 999.19/x
  3. Step 3: Cross multiply
    1,785.14x = 2,463.26 × 999.19
  4. Step 4: Simplify right side
    1,785.14x = 2,461,254.61
  5. Step 5: Solve for x
    x = 2,461,254.61/1,785.14
  6. Step 6: Final answer
    x = 1,378.75

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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.