Home / 1,190,343.42-1,784,859.03-620,301.96

Finding the Fourth Proportional to 1,190,343.42, 1,784,859.03 and 620,301.96

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Solution

The fourth proportional to 1,190,343.42, 1,784,859.03 and 620,301.96 is: 930,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,343.42 : 1,784,859.03 = 620,301.96 : x
  2. Step 2: Convert to fraction form
    1,190,343.42/1,784,859.03 = 620,301.96/x
  3. Step 3: Cross multiply
    1,190,343.42x = 1,784,859.03 × 620,301.96
  4. Step 4: Simplify right side
    1,190,343.42x = 1,107,151,554,632.70
  5. Step 5: Solve for x
    x = 1,107,151,554,632.70/1,190,343.42
  6. Step 6: Final answer
    x = 930,111.04

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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.