Home / 805,769.59-1,111,962.60-443,221.03

Finding the Fourth Proportional to 805,769.59, 1,111,962.60 and 443,221.03

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Solution

The fourth proportional to 805,769.59, 1,111,962.60 and 443,221.03 is: 611,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,769.59 : 1,111,962.60 = 443,221.03 : x
  2. Step 2: Convert to fraction form
    805,769.59/1,111,962.60 = 443,221.03/x
  3. Step 3: Cross multiply
    805,769.59x = 1,111,962.60 × 443,221.03
  4. Step 4: Simplify right side
    805,769.59x = 492,845,208,893.48
  5. Step 5: Solve for x
    x = 492,845,208,893.48/805,769.59
  6. Step 6: Final answer
    x = 611,645.33

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1.5x scale

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.