Home / 716,107.88-1,074,161.82-340,993.64

Finding the Fourth Proportional to 716,107.88, 1,074,161.82 and 340,993.64

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Solution

The fourth proportional to 716,107.88, 1,074,161.82 and 340,993.64 is: 511,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,107.88 : 1,074,161.82 = 340,993.64 : x
  2. Step 2: Convert to fraction form
    716,107.88/1,074,161.82 = 340,993.64/x
  3. Step 3: Cross multiply
    716,107.88x = 1,074,161.82 × 340,993.64
  4. Step 4: Simplify right side
    716,107.88x = 366,282,348,950.83
  5. Step 5: Solve for x
    x = 366,282,348,950.83/716,107.88
  6. Step 6: Final answer
    x = 511,490.46

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Double scale
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Similar ratio
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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.