Home / 946,986.02-1,306,453.79-699,221.77

Finding the Fourth Proportional to 946,986.02, 1,306,453.79 and 699,221.77

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Solution

The fourth proportional to 946,986.02, 1,306,453.79 and 699,221.77 is: 964,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,986.02 : 1,306,453.79 = 699,221.77 : x
  2. Step 2: Convert to fraction form
    946,986.02/1,306,453.79 = 699,221.77/x
  3. Step 3: Cross multiply
    946,986.02x = 1,306,453.79 × 699,221.77
  4. Step 4: Simplify right side
    946,986.02x = 913,500,929,948.93
  5. Step 5: Solve for x
    x = 913,500,929,948.93/946,986.02
  6. Step 6: Final answer
    x = 964,640.36

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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.