Home / 990,467.70-1,363,784.94-773,552.58

Finding the Fourth Proportional to 990,467.70, 1,363,784.94 and 773,552.58

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Solution

The fourth proportional to 990,467.70, 1,363,784.94 and 773,552.58 is: 1,065,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,467.70 : 1,363,784.94 = 773,552.58 : x
  2. Step 2: Convert to fraction form
    990,467.70/1,363,784.94 = 773,552.58/x
  3. Step 3: Cross multiply
    990,467.70x = 1,363,784.94 × 773,552.58
  4. Step 4: Simplify right side
    990,467.70x = 1,054,959,358,902.15
  5. Step 5: Solve for x
    x = 1,054,959,358,902.15/990,467.70
  6. Step 6: Final answer
    x = 1,065,112.33

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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.