Home / 439,126.77-658,690.56-123,583.98

Finding the Fourth Proportional to 439,126.77, 658,690.56 and 123,583.98

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Solution

The fourth proportional to 439,126.77, 658,690.56 and 123,583.98 is: 185,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,126.77 : 658,690.56 = 123,583.98 : x
  2. Step 2: Convert to fraction form
    439,126.77/658,690.56 = 123,583.98/x
  3. Step 3: Cross multiply
    439,126.77x = 658,690.56 × 123,583.98
  4. Step 4: Simplify right side
    439,126.77x = 81,403,600,993.23
  5. Step 5: Solve for x
    x = 81,403,600,993.23/439,126.77
  6. Step 6: Final answer
    x = 185,376.08

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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.