Home / 623,020.35-859,767.57-336,540.36

Finding the Fourth Proportional to 623,020.35, 859,767.57 and 336,540.36

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Solution

The fourth proportional to 623,020.35, 859,767.57 and 336,540.36 is: 464,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,020.35 : 859,767.57 = 336,540.36 : x
  2. Step 2: Convert to fraction form
    623,020.35/859,767.57 = 336,540.36/x
  3. Step 3: Cross multiply
    623,020.35x = 859,767.57 × 336,540.36
  4. Step 4: Simplify right side
    623,020.35x = 289,346,487,524.13
  5. Step 5: Solve for x
    x = 289,346,487,524.13/623,020.35
  6. Step 6: Final answer
    x = 464,425.42

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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.