Home / 1,201,064.82-1,657,469.45-657,200.61

Finding the Fourth Proportional to 1,201,064.82, 1,657,469.45 and 657,200.61

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Solution

The fourth proportional to 1,201,064.82, 1,657,469.45 and 657,200.61 is: 906,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,064.82 : 1,657,469.45 = 657,200.61 : x
  2. Step 2: Convert to fraction form
    1,201,064.82/1,657,469.45 = 657,200.61/x
  3. Step 3: Cross multiply
    1,201,064.82x = 1,657,469.45 × 657,200.61
  4. Step 4: Simplify right side
    1,201,064.82x = 1,089,289,922,023.01
  5. Step 5: Solve for x
    x = 1,089,289,922,023.01/1,201,064.82
  6. Step 6: Final answer
    x = 906,936.84

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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.