Home / 816,172.56-1,224,064.44-342,867.12

Finding the Fourth Proportional to 816,172.56, 1,224,064.44 and 342,867.12

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Solution

The fourth proportional to 816,172.56, 1,224,064.44 and 342,867.12 is: 514,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,172.56 : 1,224,064.44 = 342,867.12 : x
  2. Step 2: Convert to fraction form
    816,172.56/1,224,064.44 = 342,867.12/x
  3. Step 3: Cross multiply
    816,172.56x = 1,224,064.44 × 342,867.12
  4. Step 4: Simplify right side
    816,172.56x = 419,691,449,237.21
  5. Step 5: Solve for x
    x = 419,691,449,237.21/816,172.56
  6. Step 6: Final answer
    x = 514,219.01

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1.5x scale

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.