Home / 370,764.81-511,635.74-209,610.23

Finding the Fourth Proportional to 370,764.81, 511,635.74 and 209,610.23

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Solution

The fourth proportional to 370,764.81, 511,635.74 and 209,610.23 is: 289,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,764.81 : 511,635.74 = 209,610.23 : x
  2. Step 2: Convert to fraction form
    370,764.81/511,635.74 = 209,610.23/x
  3. Step 3: Cross multiply
    370,764.81x = 511,635.74 × 209,610.23
  4. Step 4: Simplify right side
    370,764.81x = 107,244,081,531.39
  5. Step 5: Solve for x
    x = 107,244,081,531.39/370,764.81
  6. Step 6: Final answer
    x = 289,250.97

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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.