Home / 513,733.89-770,822.37-198,412.23

Finding the Fourth Proportional to 513,733.89, 770,822.37 and 198,412.23

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Solution

The fourth proportional to 513,733.89, 770,822.37 and 198,412.23 is: 297,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,733.89 : 770,822.37 = 198,412.23 : x
  2. Step 2: Convert to fraction form
    513,733.89/770,822.37 = 198,412.23/x
  3. Step 3: Cross multiply
    513,733.89x = 770,822.37 × 198,412.23
  4. Step 4: Simplify right side
    513,733.89x = 152,940,585,365.59
  5. Step 5: Solve for x
    x = 152,940,585,365.59/513,733.89
  6. Step 6: Final answer
    x = 297,703.91

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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.