Home / 957,768.12-1,321,779.42-528,047.52

Finding the Fourth Proportional to 957,768.12, 1,321,779.42 and 528,047.52

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Solution

The fourth proportional to 957,768.12, 1,321,779.42 and 528,047.52 is: 728,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,768.12 : 1,321,779.42 = 528,047.52 : x
  2. Step 2: Convert to fraction form
    957,768.12/1,321,779.42 = 528,047.52/x
  3. Step 3: Cross multiply
    957,768.12x = 1,321,779.42 × 528,047.52
  4. Step 4: Simplify right side
    957,768.12x = 697,962,344,718.04
  5. Step 5: Solve for x
    x = 697,962,344,718.04/957,768.12
  6. Step 6: Final answer
    x = 728,738.33

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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.