Home / 598,213.84-896,984.31-198,640.78

Finding the Fourth Proportional to 598,213.84, 896,984.31 and 198,640.78

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Solution

The fourth proportional to 598,213.84, 896,984.31 and 198,640.78 is: 297,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,213.84 : 896,984.31 = 198,640.78 : x
  2. Step 2: Convert to fraction form
    598,213.84/896,984.31 = 198,640.78/x
  3. Step 3: Cross multiply
    598,213.84x = 896,984.31 × 198,640.78
  4. Step 4: Simplify right side
    598,213.84x = 178,177,662,986.16
  5. Step 5: Solve for x
    x = 178,177,662,986.16/598,213.84
  6. Step 6: Final answer
    x = 297,849.45

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Double scale
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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.