Home / 957,827.89-1,321,862.05-528,107.37

Finding the Fourth Proportional to 957,827.89, 1,321,862.05 and 528,107.37

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Solution

The fourth proportional to 957,827.89, 1,321,862.05 and 528,107.37 is: 728,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,827.89 : 1,321,862.05 = 528,107.37 : x
  2. Step 2: Convert to fraction form
    957,827.89/1,321,862.05 = 528,107.37/x
  3. Step 3: Cross multiply
    957,827.89x = 1,321,862.05 × 528,107.37
  4. Step 4: Simplify right side
    957,827.89x = 698,085,090,728.31
  5. Step 5: Solve for x
    x = 698,085,090,728.31/957,827.89
  6. Step 6: Final answer
    x = 728,821.01

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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.