Home / 494,641.38-742,021.47-174,727.56

Finding the Fourth Proportional to 494,641.38, 742,021.47 and 174,727.56

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Solution

The fourth proportional to 494,641.38, 742,021.47 and 174,727.56 is: 262,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,641.38 : 742,021.47 = 174,727.56 : x
  2. Step 2: Convert to fraction form
    494,641.38/742,021.47 = 174,727.56/x
  3. Step 3: Cross multiply
    494,641.38x = 742,021.47 × 174,727.56
  4. Step 4: Simplify right side
    494,641.38x = 129,651,600,920.71
  5. Step 5: Solve for x
    x = 129,651,600,920.71/494,641.38
  6. Step 6: Final answer
    x = 262,112.32

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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.