Home / 1,993,254.24-2,990,317.40-645,553.07

Finding the Fourth Proportional to 1,993,254.24, 2,990,317.40 and 645,553.07

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Solution

The fourth proportional to 1,993,254.24, 2,990,317.40 and 645,553.07 is: 968,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,254.24 : 2,990,317.40 = 645,553.07 : x
  2. Step 2: Convert to fraction form
    1,993,254.24/2,990,317.40 = 645,553.07/x
  3. Step 3: Cross multiply
    1,993,254.24x = 2,990,317.40 × 645,553.07
  4. Step 4: Simplify right side
    1,993,254.24x = 1,930,408,590,120.12
  5. Step 5: Solve for x
    x = 1,930,408,590,120.12/1,993,254.24
  6. Step 6: Final answer
    x = 968,470.83

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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.