Home / 1,405,568.70-1,939,661.31-760,983.66

Finding the Fourth Proportional to 1,405,568.70, 1,939,661.31 and 760,983.66

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Solution

The fourth proportional to 1,405,568.70, 1,939,661.31 and 760,983.66 is: 1,050,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,568.70 : 1,939,661.31 = 760,983.66 : x
  2. Step 2: Convert to fraction form
    1,405,568.70/1,939,661.31 = 760,983.66/x
  3. Step 3: Cross multiply
    1,405,568.70x = 1,939,661.31 × 760,983.66
  4. Step 4: Simplify right side
    1,405,568.70x = 1,476,050,562,844.19
  5. Step 5: Solve for x
    x = 1,476,050,562,844.19/1,405,568.70
  6. Step 6: Final answer
    x = 1,050,144.73

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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.