Home / 1,686,351.18-2,530,523.34-622,140.78

Finding the Fourth Proportional to 1,686,351.18, 2,530,523.34 and 622,140.78

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Solution

The fourth proportional to 1,686,351.18, 2,530,523.34 and 622,140.78 is: 933,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,351.18 : 2,530,523.34 = 622,140.78 : x
  2. Step 2: Convert to fraction form
    1,686,351.18/2,530,523.34 = 622,140.78/x
  3. Step 3: Cross multiply
    1,686,351.18x = 2,530,523.34 × 622,140.78
  4. Step 4: Simplify right side
    1,686,351.18x = 1,574,341,764,555.81
  5. Step 5: Solve for x
    x = 1,574,341,764,555.81/1,686,351.18
  6. Step 6: Final answer
    x = 933,578.83

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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.