Home / 371,796.09-513,036.96-210,616.62

Finding the Fourth Proportional to 371,796.09, 513,036.96 and 210,616.62

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Solution

The fourth proportional to 371,796.09, 513,036.96 and 210,616.62 is: 290,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,796.09 : 513,036.96 = 210,616.62 : x
  2. Step 2: Convert to fraction form
    371,796.09/513,036.96 = 210,616.62/x
  3. Step 3: Cross multiply
    371,796.09x = 513,036.96 × 210,616.62
  4. Step 4: Simplify right side
    371,796.09x = 108,054,110,450.28
  5. Step 5: Solve for x
    x = 108,054,110,450.28/371,796.09
  6. Step 6: Final answer
    x = 290,627.34

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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.