Home / 1,395,634.32-1,926,021.78-783,894.96

Finding the Fourth Proportional to 1,395,634.32, 1,926,021.78 and 783,894.96

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Solution

The fourth proportional to 1,395,634.32, 1,926,021.78 and 783,894.96 is: 1,081,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,634.32 : 1,926,021.78 = 783,894.96 : x
  2. Step 2: Convert to fraction form
    1,395,634.32/1,926,021.78 = 783,894.96/x
  3. Step 3: Cross multiply
    1,395,634.32x = 1,926,021.78 × 783,894.96
  4. Step 4: Simplify right side
    1,395,634.32x = 1,509,798,766,192.23
  5. Step 5: Solve for x
    x = 1,509,798,766,192.23/1,395,634.32
  6. Step 6: Final answer
    x = 1,081,801.12

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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.