Home / 397,106.51-548,020.23-233,733.43

Finding the Fourth Proportional to 397,106.51, 548,020.23 and 233,733.43

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Solution

The fourth proportional to 397,106.51, 548,020.23 and 233,733.43 is: 322,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,106.51 : 548,020.23 = 233,733.43 : x
  2. Step 2: Convert to fraction form
    397,106.51/548,020.23 = 233,733.43/x
  3. Step 3: Cross multiply
    397,106.51x = 548,020.23 × 233,733.43
  4. Step 4: Simplify right side
    397,106.51x = 128,090,645,327.19
  5. Step 5: Solve for x
    x = 128,090,645,327.19/397,106.51
  6. Step 6: Final answer
    x = 322,559.92

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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.