Home / 743,155.33-1,025,559.62-403,623.58

Finding the Fourth Proportional to 743,155.33, 1,025,559.62 and 403,623.58

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Solution

The fourth proportional to 743,155.33, 1,025,559.62 and 403,623.58 is: 557,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,155.33 : 1,025,559.62 = 403,623.58 : x
  2. Step 2: Convert to fraction form
    743,155.33/1,025,559.62 = 403,623.58/x
  3. Step 3: Cross multiply
    743,155.33x = 1,025,559.62 × 403,623.58
  4. Step 4: Simplify right side
    743,155.33x = 413,940,045,327.84
  5. Step 5: Solve for x
    x = 413,940,045,327.84/743,155.33
  6. Step 6: Final answer
    x = 557,003.40

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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.