Home / 805,791.04-1,111,914.48-443,209.12

Finding the Fourth Proportional to 805,791.04, 1,111,914.48 and 443,209.12

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Solution

The fourth proportional to 805,791.04, 1,111,914.48 and 443,209.12 is: 611,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,791.04 : 1,111,914.48 = 443,209.12 : x
  2. Step 2: Convert to fraction form
    805,791.04/1,111,914.48 = 443,209.12/x
  3. Step 3: Cross multiply
    805,791.04x = 1,111,914.48 × 443,209.12
  4. Step 4: Simplify right side
    805,791.04x = 492,810,638,196.06
  5. Step 5: Solve for x
    x = 492,810,638,196.06/805,791.04
  6. Step 6: Final answer
    x = 611,586.15

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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.