Home / 334,608.06-461,728.44-198,618.78

Finding the Fourth Proportional to 334,608.06, 461,728.44 and 198,618.78

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Solution

The fourth proportional to 334,608.06, 461,728.44 and 198,618.78 is: 274,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,608.06 : 461,728.44 = 198,618.78 : x
  2. Step 2: Convert to fraction form
    334,608.06/461,728.44 = 198,618.78/x
  3. Step 3: Cross multiply
    334,608.06x = 461,728.44 × 198,618.78
  4. Step 4: Simplify right side
    334,608.06x = 91,707,939,444.10
  5. Step 5: Solve for x
    x = 91,707,939,444.10/334,608.06
  6. Step 6: Final answer
    x = 274,075.70

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1.5x scale

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.