Home / 1,384,376.19-1,910,439.53-764,181.74

Finding the Fourth Proportional to 1,384,376.19, 1,910,439.53 and 764,181.74

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Solution

The fourth proportional to 1,384,376.19, 1,910,439.53 and 764,181.74 is: 1,054,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,376.19 : 1,910,439.53 = 764,181.74 : x
  2. Step 2: Convert to fraction form
    1,384,376.19/1,910,439.53 = 764,181.74/x
  3. Step 3: Cross multiply
    1,384,376.19x = 1,910,439.53 × 764,181.74
  4. Step 4: Simplify right side
    1,384,376.19x = 1,459,922,990,827.08
  5. Step 5: Solve for x
    x = 1,459,922,990,827.08/1,384,376.19
  6. Step 6: Final answer
    x = 1,054,571.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.