Home / 1,177,736.24-1,766,633.40-429,782

Finding the Fourth Proportional to 1,177,736.24, 1,766,633.40 and 429,782

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Solution

The fourth proportional to 1,177,736.24, 1,766,633.40 and 429,782 is: 644,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,736.24 : 1,766,633.40 = 429,782 : x
  2. Step 2: Convert to fraction form
    1,177,736.24/1,766,633.40 = 429,782/x
  3. Step 3: Cross multiply
    1,177,736.24x = 1,766,633.40 × 429,782
  4. Step 4: Simplify right side
    1,177,736.24x = 759,267,235,918.80
  5. Step 5: Solve for x
    x = 759,267,235,918.80/1,177,736.24
  6. Step 6: Final answer
    x = 644,683.60

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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.