Home / 1,135,183.80-1,566,482.22-625,890.36

Finding the Fourth Proportional to 1,135,183.80, 1,566,482.22 and 625,890.36

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Solution

The fourth proportional to 1,135,183.80, 1,566,482.22 and 625,890.36 is: 863,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,183.80 : 1,566,482.22 = 625,890.36 : x
  2. Step 2: Convert to fraction form
    1,135,183.80/1,566,482.22 = 625,890.36/x
  3. Step 3: Cross multiply
    1,135,183.80x = 1,566,482.22 × 625,890.36
  4. Step 4: Simplify right side
    1,135,183.80x = 980,446,120,609.40
  5. Step 5: Solve for x
    x = 980,446,120,609.40/1,135,183.80
  6. Step 6: Final answer
    x = 863,689.32

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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.