Home / 1,281,918.96-1,768,976.21-701,026.55

Finding the Fourth Proportional to 1,281,918.96, 1,768,976.21 and 701,026.55

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Solution

The fourth proportional to 1,281,918.96, 1,768,976.21 and 701,026.55 is: 967,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,918.96 : 1,768,976.21 = 701,026.55 : x
  2. Step 2: Convert to fraction form
    1,281,918.96/1,768,976.21 = 701,026.55/x
  3. Step 3: Cross multiply
    1,281,918.96x = 1,768,976.21 × 701,026.55
  4. Step 4: Simplify right side
    1,281,918.96x = 1,240,099,289,069.72
  5. Step 5: Solve for x
    x = 1,240,099,289,069.72/1,281,918.96
  6. Step 6: Final answer
    x = 967,377.29

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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.