Home / 1,242,176.40-1,863,658.26-443,440.26

Finding the Fourth Proportional to 1,242,176.40, 1,863,658.26 and 443,440.26

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Solution

The fourth proportional to 1,242,176.40, 1,863,658.26 and 443,440.26 is: 665,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,176.40 : 1,863,658.26 = 443,440.26 : x
  2. Step 2: Convert to fraction form
    1,242,176.40/1,863,658.26 = 443,440.26/x
  3. Step 3: Cross multiply
    1,242,176.40x = 1,863,658.26 × 443,440.26
  4. Step 4: Simplify right side
    1,242,176.40x = 826,421,103,365.55
  5. Step 5: Solve for x
    x = 826,421,103,365.55/1,242,176.40
  6. Step 6: Final answer
    x = 665,300.92

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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.