Home / 558,253.58-770,563.38-443,735.42

Finding the Fourth Proportional to 558,253.58, 770,563.38 and 443,735.42

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Solution

The fourth proportional to 558,253.58, 770,563.38 and 443,735.42 is: 612,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,253.58 : 770,563.38 = 443,735.42 : x
  2. Step 2: Convert to fraction form
    558,253.58/770,563.38 = 443,735.42/x
  3. Step 3: Cross multiply
    558,253.58x = 770,563.38 × 443,735.42
  4. Step 4: Simplify right side
    558,253.58x = 341,926,261,208.10
  5. Step 5: Solve for x
    x = 341,926,261,208.10/558,253.58
  6. Step 6: Final answer
    x = 612,492.74

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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.