Home / 779,577.06-1,169,442-324,074.10

Finding the Fourth Proportional to 779,577.06, 1,169,442 and 324,074.10

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Solution

The fourth proportional to 779,577.06, 1,169,442 and 324,074.10 is: 486,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,577.06 : 1,169,442 = 324,074.10 : x
  2. Step 2: Convert to fraction form
    779,577.06/1,169,442 = 324,074.10/x
  3. Step 3: Cross multiply
    779,577.06x = 1,169,442 × 324,074.10
  4. Step 4: Simplify right side
    779,577.06x = 378,985,863,652.20
  5. Step 5: Solve for x
    x = 378,985,863,652.20/779,577.06
  6. Step 6: Final answer
    x = 486,142.91

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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.