Home / 622,829.45-859,504.70-336,349.54

Finding the Fourth Proportional to 622,829.45, 859,504.70 and 336,349.54

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Solution

The fourth proportional to 622,829.45, 859,504.70 and 336,349.54 is: 464,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,829.45 : 859,504.70 = 336,349.54 : x
  2. Step 2: Convert to fraction form
    622,829.45/859,504.70 = 336,349.54/x
  3. Step 3: Cross multiply
    622,829.45x = 859,504.70 × 336,349.54
  4. Step 4: Simplify right side
    622,829.45x = 289,094,012,388.09
  5. Step 5: Solve for x
    x = 289,094,012,388.09/622,829.45
  6. Step 6: Final answer
    x = 464,162.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.