Home / 1,353,393.62-2,030,183.84-393,857.16

Finding the Fourth Proportional to 1,353,393.62, 2,030,183.84 and 393,857.16

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Solution

The fourth proportional to 1,353,393.62, 2,030,183.84 and 393,857.16 is: 590,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,393.62 : 2,030,183.84 = 393,857.16 : x
  2. Step 2: Convert to fraction form
    1,353,393.62/2,030,183.84 = 393,857.16/x
  3. Step 3: Cross multiply
    1,353,393.62x = 2,030,183.84 × 393,857.16
  4. Step 4: Simplify right side
    1,353,393.62x = 799,602,441,500.29
  5. Step 5: Solve for x
    x = 799,602,441,500.29/1,353,393.62
  6. Step 6: Final answer
    x = 590,812.92

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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.