Home / 1,191,505.20-1,786,912.20-433,258.80

Finding the Fourth Proportional to 1,191,505.20, 1,786,912.20 and 433,258.80

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Solution

The fourth proportional to 1,191,505.20, 1,786,912.20 and 433,258.80 is: 649,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,505.20 : 1,786,912.20 = 433,258.80 : x
  2. Step 2: Convert to fraction form
    1,191,505.20/1,786,912.20 = 433,258.80/x
  3. Step 3: Cross multiply
    1,191,505.20x = 1,786,912.20 × 433,258.80
  4. Step 4: Simplify right side
    1,191,505.20x = 774,195,435,477.36
  5. Step 5: Solve for x
    x = 774,195,435,477.36/1,191,505.20
  6. Step 6: Final answer
    x = 649,762.53

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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.