Home / 1,081,601.16-1,621,257.66-407,390.74

Finding the Fourth Proportional to 1,081,601.16, 1,621,257.66 and 407,390.74

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Solution

The fourth proportional to 1,081,601.16, 1,621,257.66 and 407,390.74 is: 610,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,601.16 : 1,621,257.66 = 407,390.74 : x
  2. Step 2: Convert to fraction form
    1,081,601.16/1,621,257.66 = 407,390.74/x
  3. Step 3: Cross multiply
    1,081,601.16x = 1,621,257.66 × 407,390.74
  4. Step 4: Simplify right side
    1,081,601.16x = 660,485,357,838.07
  5. Step 5: Solve for x
    x = 660,485,357,838.07/1,081,601.16
  6. Step 6: Final answer
    x = 610,655.19

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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.