Home / 711,036.88-1,066,450.44-261,653.36

Finding the Fourth Proportional to 711,036.88, 1,066,450.44 and 261,653.36

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Solution

The fourth proportional to 711,036.88, 1,066,450.44 and 261,653.36 is: 392,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,036.88 : 1,066,450.44 = 261,653.36 : x
  2. Step 2: Convert to fraction form
    711,036.88/1,066,450.44 = 261,653.36/x
  3. Step 3: Cross multiply
    711,036.88x = 1,066,450.44 × 261,653.36
  4. Step 4: Simplify right side
    711,036.88x = 279,040,340,899.48
  5. Step 5: Solve for x
    x = 279,040,340,899.48/711,036.88
  6. Step 6: Final answer
    x = 392,441.45

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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.