Home / 957,934.80-1,321,941.96-528,233.04

Finding the Fourth Proportional to 957,934.80, 1,321,941.96 and 528,233.04

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Solution

The fourth proportional to 957,934.80, 1,321,941.96 and 528,233.04 is: 728,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,934.80 : 1,321,941.96 = 528,233.04 : x
  2. Step 2: Convert to fraction form
    957,934.80/1,321,941.96 = 528,233.04/x
  3. Step 3: Cross multiply
    957,934.80x = 1,321,941.96 × 528,233.04
  4. Step 4: Simplify right side
    957,934.80x = 698,293,420,234.36
  5. Step 5: Solve for x
    x = 698,293,420,234.36/957,934.80
  6. Step 6: Final answer
    x = 728,957.15

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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.