Home / 580,075.41-869,083.16-242,372.64

Finding the Fourth Proportional to 580,075.41, 869,083.16 and 242,372.64

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Solution

The fourth proportional to 580,075.41, 869,083.16 and 242,372.64 is: 363,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,075.41 : 869,083.16 = 242,372.64 : x
  2. Step 2: Convert to fraction form
    580,075.41/869,083.16 = 242,372.64/x
  3. Step 3: Cross multiply
    580,075.41x = 869,083.16 × 242,372.64
  4. Step 4: Simplify right side
    580,075.41x = 210,641,978,656.88
  5. Step 5: Solve for x
    x = 210,641,978,656.88/580,075.41
  6. Step 6: Final answer
    x = 363,128.61

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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.