Home / 957,795.14-1,321,731.99-528,064.22

Finding the Fourth Proportional to 957,795.14, 1,321,731.99 and 528,064.22

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Solution

The fourth proportional to 957,795.14, 1,321,731.99 and 528,064.22 is: 728,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,795.14 : 1,321,731.99 = 528,064.22 : x
  2. Step 2: Convert to fraction form
    957,795.14/1,321,731.99 = 528,064.22/x
  3. Step 3: Cross multiply
    957,795.14x = 1,321,731.99 × 528,064.22
  4. Step 4: Simplify right side
    957,795.14x = 697,959,365,739.74
  5. Step 5: Solve for x
    x = 697,959,365,739.74/957,795.14
  6. Step 6: Final answer
    x = 728,714.67

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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.