Home / 957,946.96-1,321,936.50-528,245.20

Finding the Fourth Proportional to 957,946.96, 1,321,936.50 and 528,245.20

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Solution

The fourth proportional to 957,946.96, 1,321,936.50 and 528,245.20 is: 728,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,946.96 : 1,321,936.50 = 528,245.20 : x
  2. Step 2: Convert to fraction form
    957,946.96/1,321,936.50 = 528,245.20/x
  3. Step 3: Cross multiply
    957,946.96x = 1,321,936.50 × 528,245.20
  4. Step 4: Simplify right side
    957,946.96x = 698,306,610,829.80
  5. Step 5: Solve for x
    x = 698,306,610,829.80/957,946.96
  6. Step 6: Final answer
    x = 728,961.66

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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.