Home / 1,173,939.90-1,761,698.97-415,778.64

Finding the Fourth Proportional to 1,173,939.90, 1,761,698.97 and 415,778.64

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Solution

The fourth proportional to 1,173,939.90, 1,761,698.97 and 415,778.64 is: 623,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,939.90 : 1,761,698.97 = 415,778.64 : x
  2. Step 2: Convert to fraction form
    1,173,939.90/1,761,698.97 = 415,778.64/x
  3. Step 3: Cross multiply
    1,173,939.90x = 1,761,698.97 × 415,778.64
  4. Step 4: Simplify right side
    1,173,939.90x = 732,476,801,836.00
  5. Step 5: Solve for x
    x = 732,476,801,836.00/1,173,939.90
  6. Step 6: Final answer
    x = 623,947.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.