Home / 957,739.33-1,321,689.45-528,034.87

Finding the Fourth Proportional to 957,739.33, 1,321,689.45 and 528,034.87

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Solution

The fourth proportional to 957,739.33, 1,321,689.45 and 528,034.87 is: 728,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,739.33 : 1,321,689.45 = 528,034.87 : x
  2. Step 2: Convert to fraction form
    957,739.33/1,321,689.45 = 528,034.87/x
  3. Step 3: Cross multiply
    957,739.33x = 1,321,689.45 × 528,034.87
  4. Step 4: Simplify right side
    957,739.33x = 697,898,116,911.12
  5. Step 5: Solve for x
    x = 697,898,116,911.12/957,739.33
  6. Step 6: Final answer
    x = 728,693.18

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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.