Home / 1,081,598.91-1,621,254.27-407,388.50

Finding the Fourth Proportional to 1,081,598.91, 1,621,254.27 and 407,388.50

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Solution

The fourth proportional to 1,081,598.91, 1,621,254.27 and 407,388.50 is: 610,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,598.91 : 1,621,254.27 = 407,388.50 : x
  2. Step 2: Convert to fraction form
    1,081,598.91/1,621,254.27 = 407,388.50/x
  3. Step 3: Cross multiply
    1,081,598.91x = 1,621,254.27 × 407,388.50
  4. Step 4: Simplify right side
    1,081,598.91x = 660,480,345,173.90
  5. Step 5: Solve for x
    x = 660,480,345,173.90/1,081,598.91
  6. Step 6: Final answer
    x = 610,651.82

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1.5x scale

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.