Home / 957,917.28-1,321,897.56-528,197.32

Finding the Fourth Proportional to 957,917.28, 1,321,897.56 and 528,197.32

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Solution

The fourth proportional to 957,917.28, 1,321,897.56 and 528,197.32 is: 728,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,917.28 : 1,321,897.56 = 528,197.32 : x
  2. Step 2: Convert to fraction form
    957,917.28/1,321,897.56 = 528,197.32/x
  3. Step 3: Cross multiply
    957,917.28x = 1,321,897.56 × 528,197.32
  4. Step 4: Simplify right side
    957,917.28x = 698,222,748,506.54
  5. Step 5: Solve for x
    x = 698,222,748,506.54/957,917.28
  6. Step 6: Final answer
    x = 728,896.70

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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.