Home / 401,817.87-602,657.43-113,649.65

Finding the Fourth Proportional to 401,817.87, 602,657.43 and 113,649.65

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Solution

The fourth proportional to 401,817.87, 602,657.43 and 113,649.65 is: 170,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,817.87 : 602,657.43 = 113,649.65 : x
  2. Step 2: Convert to fraction form
    401,817.87/602,657.43 = 113,649.65/x
  3. Step 3: Cross multiply
    401,817.87x = 602,657.43 × 113,649.65
  4. Step 4: Simplify right side
    401,817.87x = 68,491,802,976.11
  5. Step 5: Solve for x
    x = 68,491,802,976.11/401,817.87
  6. Step 6: Final answer
    x = 170,454.85

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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.