Home / 1,328,832.72-1,833,151.36-869,745.18

Finding the Fourth Proportional to 1,328,832.72, 1,833,151.36 and 869,745.18

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Solution

The fourth proportional to 1,328,832.72, 1,833,151.36 and 869,745.18 is: 1,199,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,832.72 : 1,833,151.36 = 869,745.18 : x
  2. Step 2: Convert to fraction form
    1,328,832.72/1,833,151.36 = 869,745.18/x
  3. Step 3: Cross multiply
    1,328,832.72x = 1,833,151.36 × 869,745.18
  4. Step 4: Simplify right side
    1,328,832.72x = 1,594,374,559,570.45
  5. Step 5: Solve for x
    x = 1,594,374,559,570.45/1,328,832.72
  6. Step 6: Final answer
    x = 1,199,830.90

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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.