Home / 1,266,768.36-1,748,142.02-685,992.49

Finding the Fourth Proportional to 1,266,768.36, 1,748,142.02 and 685,992.49

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Solution

The fourth proportional to 1,266,768.36, 1,748,142.02 and 685,992.49 is: 946,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,768.36 : 1,748,142.02 = 685,992.49 : x
  2. Step 2: Convert to fraction form
    1,266,768.36/1,748,142.02 = 685,992.49/x
  3. Step 3: Cross multiply
    1,266,768.36x = 1,748,142.02 × 685,992.49
  4. Step 4: Simplify right side
    1,266,768.36x = 1,199,212,301,073.59
  5. Step 5: Solve for x
    x = 1,199,212,301,073.59/1,266,768.36
  6. Step 6: Final answer
    x = 946,670.55

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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.