Home / 1,670,786.22-2,305,686.69-906,839.94

Finding the Fourth Proportional to 1,670,786.22, 2,305,686.69 and 906,839.94

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Solution

The fourth proportional to 1,670,786.22, 2,305,686.69 and 906,839.94 is: 1,251,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,786.22 : 2,305,686.69 = 906,839.94 : x
  2. Step 2: Convert to fraction form
    1,670,786.22/2,305,686.69 = 906,839.94/x
  3. Step 3: Cross multiply
    1,670,786.22x = 2,305,686.69 × 906,839.94
  4. Step 4: Simplify right side
    1,670,786.22x = 2,090,888,779,618.40
  5. Step 5: Solve for x
    x = 2,090,888,779,618.40/1,670,786.22
  6. Step 6: Final answer
    x = 1,251,440.04

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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.