Home / 790,495.33-1,185,745.79-191,456.89

Finding the Fourth Proportional to 790,495.33, 1,185,745.79 and 191,456.89

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Solution

The fourth proportional to 790,495.33, 1,185,745.79 and 191,456.89 is: 287,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,495.33 : 1,185,745.79 = 191,456.89 : x
  2. Step 2: Convert to fraction form
    790,495.33/1,185,745.79 = 191,456.89/x
  3. Step 3: Cross multiply
    790,495.33x = 1,185,745.79 × 191,456.89
  4. Step 4: Simplify right side
    790,495.33x = 227,019,201,283.99
  5. Step 5: Solve for x
    x = 227,019,201,283.99/790,495.33
  6. Step 6: Final answer
    x = 287,186.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.