Home / 622,816.45-859,486.68-336,336.53

Finding the Fourth Proportional to 622,816.45, 859,486.68 and 336,336.53

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Solution

The fourth proportional to 622,816.45, 859,486.68 and 336,336.53 is: 464,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,816.45 : 859,486.68 = 336,336.53 : x
  2. Step 2: Convert to fraction form
    622,816.45/859,486.68 = 336,336.53/x
  3. Step 3: Cross multiply
    622,816.45x = 859,486.68 × 336,336.53
  4. Step 4: Simplify right side
    622,816.45x = 289,076,767,532.42
  5. Step 5: Solve for x
    x = 289,076,767,532.42/622,816.45
  6. Step 6: Final answer
    x = 464,144.40

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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.