Home / 816,401.12-1,224,749.74-336,362.35

Finding the Fourth Proportional to 816,401.12, 1,224,749.74 and 336,362.35

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Solution

The fourth proportional to 816,401.12, 1,224,749.74 and 336,362.35 is: 504,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,401.12 : 1,224,749.74 = 336,362.35 : x
  2. Step 2: Convert to fraction form
    816,401.12/1,224,749.74 = 336,362.35/x
  3. Step 3: Cross multiply
    816,401.12x = 1,224,749.74 × 336,362.35
  4. Step 4: Simplify right side
    816,401.12x = 411,959,700,708.29
  5. Step 5: Solve for x
    x = 411,959,700,708.29/816,401.12
  6. Step 6: Final answer
    x = 504,604.53

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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.