Home / 1,181,863.67-1,772,647.56-328,999.28

Finding the Fourth Proportional to 1,181,863.67, 1,772,647.56 and 328,999.28

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Solution

The fourth proportional to 1,181,863.67, 1,772,647.56 and 328,999.28 is: 493,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,863.67 : 1,772,647.56 = 328,999.28 : x
  2. Step 2: Convert to fraction form
    1,181,863.67/1,772,647.56 = 328,999.28/x
  3. Step 3: Cross multiply
    1,181,863.67x = 1,772,647.56 × 328,999.28
  4. Step 4: Simplify right side
    1,181,863.67x = 583,199,762,070.52
  5. Step 5: Solve for x
    x = 583,199,762,070.52/1,181,863.67
  6. Step 6: Final answer
    x = 493,457.73

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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.