Home / 403,724.41-605,586.62-119,392.81

Finding the Fourth Proportional to 403,724.41, 605,586.62 and 119,392.81

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Solution

The fourth proportional to 403,724.41, 605,586.62 and 119,392.81 is: 179,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,724.41 : 605,586.62 = 119,392.81 : x
  2. Step 2: Convert to fraction form
    403,724.41/605,586.62 = 119,392.81/x
  3. Step 3: Cross multiply
    403,724.41x = 605,586.62 × 119,392.81
  4. Step 4: Simplify right side
    403,724.41x = 72,302,688,663.98
  5. Step 5: Solve for x
    x = 72,302,688,663.98/403,724.41
  6. Step 6: Final answer
    x = 179,089.22

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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.