Home / 1,191,986.93-1,644,962.53-648,126.41

Finding the Fourth Proportional to 1,191,986.93, 1,644,962.53 and 648,126.41

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Solution

The fourth proportional to 1,191,986.93, 1,644,962.53 and 648,126.41 is: 894,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,986.93 : 1,644,962.53 = 648,126.41 : x
  2. Step 2: Convert to fraction form
    1,191,986.93/1,644,962.53 = 648,126.41/x
  3. Step 3: Cross multiply
    1,191,986.93x = 1,644,962.53 × 648,126.41
  4. Step 4: Simplify right side
    1,191,986.93x = 1,066,143,650,928.60
  5. Step 5: Solve for x
    x = 1,066,143,650,928.60/1,191,986.93
  6. Step 6: Final answer
    x = 894,425.62

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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.