Home / 1,081,596.91-1,621,251.27-407,386.50

Finding the Fourth Proportional to 1,081,596.91, 1,621,251.27 and 407,386.50

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Solution

The fourth proportional to 1,081,596.91, 1,621,251.27 and 407,386.50 is: 610,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,596.91 : 1,621,251.27 = 407,386.50 : x
  2. Step 2: Convert to fraction form
    1,081,596.91/1,621,251.27 = 407,386.50/x
  3. Step 3: Cross multiply
    1,081,596.91x = 1,621,251.27 × 407,386.50
  4. Step 4: Simplify right side
    1,081,596.91x = 660,475,880,505.86
  5. Step 5: Solve for x
    x = 660,475,880,505.86/1,081,596.91
  6. Step 6: Final answer
    x = 610,648.82

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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.