Home / 1,242,193.89-1,863,684.54-443,457.75

Finding the Fourth Proportional to 1,242,193.89, 1,863,684.54 and 443,457.75

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Solution

The fourth proportional to 1,242,193.89, 1,863,684.54 and 443,457.75 is: 665,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,193.89 : 1,863,684.54 = 443,457.75 : x
  2. Step 2: Convert to fraction form
    1,242,193.89/1,863,684.54 = 443,457.75/x
  3. Step 3: Cross multiply
    1,242,193.89x = 1,863,684.54 × 443,457.75
  4. Step 4: Simplify right side
    1,242,193.89x = 826,465,352,818.19
  5. Step 5: Solve for x
    x = 826,465,352,818.19/1,242,193.89
  6. Step 6: Final answer
    x = 665,327.18

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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.