Home / 1,086,759.99-1,628,019.40-711,645.75

Finding the Fourth Proportional to 1,086,759.99, 1,628,019.40 and 711,645.75

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Solution

The fourth proportional to 1,086,759.99, 1,628,019.40 and 711,645.75 is: 1,066,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,759.99 : 1,628,019.40 = 711,645.75 : x
  2. Step 2: Convert to fraction form
    1,086,759.99/1,628,019.40 = 711,645.75/x
  3. Step 3: Cross multiply
    1,086,759.99x = 1,628,019.40 × 711,645.75
  4. Step 4: Simplify right side
    1,086,759.99x = 1,158,573,086,927.55
  5. Step 5: Solve for x
    x = 1,158,573,086,927.55/1,086,759.99
  6. Step 6: Final answer
    x = 1,066,080.00

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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.