Home / 984,195.72-1,358,183.88-554,613.84

Finding the Fourth Proportional to 984,195.72, 1,358,183.88 and 554,613.84

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Solution

The fourth proportional to 984,195.72, 1,358,183.88 and 554,613.84 is: 765,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,195.72 : 1,358,183.88 = 554,613.84 : x
  2. Step 2: Convert to fraction form
    984,195.72/1,358,183.88 = 554,613.84/x
  3. Step 3: Cross multiply
    984,195.72x = 1,358,183.88 × 554,613.84
  4. Step 4: Simplify right side
    984,195.72x = 753,267,577,112.90
  5. Step 5: Solve for x
    x = 753,267,577,112.90/984,195.72
  6. Step 6: Final answer
    x = 765,363.60

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1.5x scale

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.