Home / 1,081,596.41-1,621,250.52-407,386

Finding the Fourth Proportional to 1,081,596.41, 1,621,250.52 and 407,386

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Solution

The fourth proportional to 1,081,596.41, 1,621,250.52 and 407,386 is: 610,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,596.41 : 1,621,250.52 = 407,386 : x
  2. Step 2: Convert to fraction form
    1,081,596.41/1,621,250.52 = 407,386/x
  3. Step 3: Cross multiply
    1,081,596.41x = 1,621,250.52 × 407,386
  4. Step 4: Simplify right side
    1,081,596.41x = 660,474,764,340.72
  5. Step 5: Solve for x
    x = 660,474,764,340.72/1,081,596.41
  6. Step 6: Final answer
    x = 610,648.07

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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.