Home / 1,285,536.44-1,926,643.78-611,824.19

Finding the Fourth Proportional to 1,285,536.44, 1,926,643.78 and 611,824.19

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Solution

The fourth proportional to 1,285,536.44, 1,926,643.78 and 611,824.19 is: 916,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,536.44 : 1,926,643.78 = 611,824.19 : x
  2. Step 2: Convert to fraction form
    1,285,536.44/1,926,643.78 = 611,824.19/x
  3. Step 3: Cross multiply
    1,285,536.44x = 1,926,643.78 × 611,824.19
  4. Step 4: Simplify right side
    1,285,536.44x = 1,178,767,270,117.04
  5. Step 5: Solve for x
    x = 1,178,767,270,117.04/1,285,536.44
  6. Step 6: Final answer
    x = 916,945.82

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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.