Home / 622,819.32-859,507.79-381,097.50

Finding the Fourth Proportional to 622,819.32, 859,507.79 and 381,097.50

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Solution

The fourth proportional to 622,819.32, 859,507.79 and 381,097.50 is: 525,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,819.32 : 859,507.79 = 381,097.50 : x
  2. Step 2: Convert to fraction form
    622,819.32/859,507.79 = 381,097.50/x
  3. Step 3: Cross multiply
    622,819.32x = 859,507.79 × 381,097.50
  4. Step 4: Simplify right side
    622,819.32x = 327,556,268,094.04
  5. Step 5: Solve for x
    x = 327,556,268,094.04/622,819.32
  6. Step 6: Final answer
    x = 525,925.03

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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.