Home / 1,196,319.36-1,650,855.86-680,001.60

Finding the Fourth Proportional to 1,196,319.36, 1,650,855.86 and 680,001.60

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Solution

The fourth proportional to 1,196,319.36, 1,650,855.86 and 680,001.60 is: 938,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,319.36 : 1,650,855.86 = 680,001.60 : x
  2. Step 2: Convert to fraction form
    1,196,319.36/1,650,855.86 = 680,001.60/x
  3. Step 3: Cross multiply
    1,196,319.36x = 1,650,855.86 × 680,001.60
  4. Step 4: Simplify right side
    1,196,319.36x = 1,122,584,626,169.38
  5. Step 5: Solve for x
    x = 1,122,584,626,169.38/1,196,319.36
  6. Step 6: Final answer
    x = 938,365.34

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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.