Home / 1,622,120.12-2,433,318.58-424,040.52

Finding the Fourth Proportional to 1,622,120.12, 2,433,318.58 and 424,040.52

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Solution

The fourth proportional to 1,622,120.12, 2,433,318.58 and 424,040.52 is: 636,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,120.12 : 2,433,318.58 = 424,040.52 : x
  2. Step 2: Convert to fraction form
    1,622,120.12/2,433,318.58 = 424,040.52/x
  3. Step 3: Cross multiply
    1,622,120.12x = 2,433,318.58 × 424,040.52
  4. Step 4: Simplify right side
    1,622,120.12x = 1,031,825,675,988.86
  5. Step 5: Solve for x
    x = 1,031,825,675,988.86/1,622,120.12
  6. Step 6: Final answer
    x = 636,096.96

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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.