Home / 403,990.98-605,986.46-104,501.84

Finding the Fourth Proportional to 403,990.98, 605,986.46 and 104,501.84

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Solution

The fourth proportional to 403,990.98, 605,986.46 and 104,501.84 is: 156,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,990.98 : 605,986.46 = 104,501.84 : x
  2. Step 2: Convert to fraction form
    403,990.98/605,986.46 = 104,501.84/x
  3. Step 3: Cross multiply
    403,990.98x = 605,986.46 × 104,501.84
  4. Step 4: Simplify right side
    403,990.98x = 63,326,696,532.64
  5. Step 5: Solve for x
    x = 63,326,696,532.64/403,990.98
  6. Step 6: Final answer
    x = 156,752.75

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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.