Home / 1,100,639.96-1,518,859.41-617,194.46

Finding the Fourth Proportional to 1,100,639.96, 1,518,859.41 and 617,194.46

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Solution

The fourth proportional to 1,100,639.96, 1,518,859.41 and 617,194.46 is: 851,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,639.96 : 1,518,859.41 = 617,194.46 : x
  2. Step 2: Convert to fraction form
    1,100,639.96/1,518,859.41 = 617,194.46/x
  3. Step 3: Cross multiply
    1,100,639.96x = 1,518,859.41 × 617,194.46
  4. Step 4: Simplify right side
    1,100,639.96x = 937,431,613,370.87
  5. Step 5: Solve for x
    x = 937,431,613,370.87/1,100,639.96
  6. Step 6: Final answer
    x = 851,715.05

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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.