Home / 1,045,871.82-1,568,716.53-646,574.22

Finding the Fourth Proportional to 1,045,871.82, 1,568,716.53 and 646,574.22

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Solution

The fourth proportional to 1,045,871.82, 1,568,716.53 and 646,574.22 is: 969,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,871.82 : 1,568,716.53 = 646,574.22 : x
  2. Step 2: Convert to fraction form
    1,045,871.82/1,568,716.53 = 646,574.22/x
  3. Step 3: Cross multiply
    1,045,871.82x = 1,568,716.53 × 646,574.22
  4. Step 4: Simplify right side
    1,045,871.82x = 1,014,291,666,785.86
  5. Step 5: Solve for x
    x = 1,014,291,666,785.86/1,045,871.82
  6. Step 6: Final answer
    x = 969,804.95

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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.