Home / 1,613,903.80-2,421,201.30-492,086.20

Finding the Fourth Proportional to 1,613,903.80, 2,421,201.30 and 492,086.20

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Solution

The fourth proportional to 1,613,903.80, 2,421,201.30 and 492,086.20 is: 738,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,903.80 : 2,421,201.30 = 492,086.20 : x
  2. Step 2: Convert to fraction form
    1,613,903.80/2,421,201.30 = 492,086.20/x
  3. Step 3: Cross multiply
    1,613,903.80x = 2,421,201.30 × 492,086.20
  4. Step 4: Simplify right side
    1,613,903.80x = 1,191,439,747,152.06
  5. Step 5: Solve for x
    x = 1,191,439,747,152.06/1,613,903.80
  6. Step 6: Final answer
    x = 738,234.67

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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.