Home / 414,173.81-620,350.07-342,281.66

Finding the Fourth Proportional to 414,173.81, 620,350.07 and 342,281.66

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Solution

The fourth proportional to 414,173.81, 620,350.07 and 342,281.66 is: 512,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,173.81 : 620,350.07 = 342,281.66 : x
  2. Step 2: Convert to fraction form
    414,173.81/620,350.07 = 342,281.66/x
  3. Step 3: Cross multiply
    414,173.81x = 620,350.07 × 342,281.66
  4. Step 4: Simplify right side
    414,173.81x = 212,334,446,927.56
  5. Step 5: Solve for x
    x = 212,334,446,927.56/414,173.81
  6. Step 6: Final answer
    x = 512,669.91

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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.