Home / 1,243,514.28-1,715,927.22-699,638.07

Finding the Fourth Proportional to 1,243,514.28, 1,715,927.22 and 699,638.07

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Solution

The fourth proportional to 1,243,514.28, 1,715,927.22 and 699,638.07 is: 965,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,514.28 : 1,715,927.22 = 699,638.07 : x
  2. Step 2: Convert to fraction form
    1,243,514.28/1,715,927.22 = 699,638.07/x
  3. Step 3: Cross multiply
    1,243,514.28x = 1,715,927.22 × 699,638.07
  4. Step 4: Simplify right side
    1,243,514.28x = 1,200,528,008,461.27
  5. Step 5: Solve for x
    x = 1,200,528,008,461.27/1,243,514.28
  6. Step 6: Final answer
    x = 965,431.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.