Home / 1,969,616.38-2,953,316.40-621,527.71

Finding the Fourth Proportional to 1,969,616.38, 2,953,316.40 and 621,527.71

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Solution

The fourth proportional to 1,969,616.38, 2,953,316.40 and 621,527.71 is: 931,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,616.38 : 2,953,316.40 = 621,527.71 : x
  2. Step 2: Convert to fraction form
    1,969,616.38/2,953,316.40 = 621,527.71/x
  3. Step 3: Cross multiply
    1,969,616.38x = 2,953,316.40 × 621,527.71
  4. Step 4: Simplify right side
    1,969,616.38x = 1,835,567,978,997.44
  5. Step 5: Solve for x
    x = 1,835,567,978,997.44/1,969,616.38
  6. Step 6: Final answer
    x = 931,941.87

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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.