Home / 957,938.80-1,321,964.82-528,234.16

Finding the Fourth Proportional to 957,938.80, 1,321,964.82 and 528,234.16

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Solution

The fourth proportional to 957,938.80, 1,321,964.82 and 528,234.16 is: 728,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,938.80 : 1,321,964.82 = 528,234.16 : x
  2. Step 2: Convert to fraction form
    957,938.80/1,321,964.82 = 528,234.16/x
  3. Step 3: Cross multiply
    957,938.80x = 1,321,964.82 × 528,234.16
  4. Step 4: Simplify right side
    957,938.80x = 698,306,976,242.25
  5. Step 5: Solve for x
    x = 698,306,976,242.25/957,938.80
  6. Step 6: Final answer
    x = 728,968.26

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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.