Home / 851,537.80-1,277,306.70-818,878.60

Finding the Fourth Proportional to 851,537.80, 1,277,306.70 and 818,878.60

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Solution

The fourth proportional to 851,537.80, 1,277,306.70 and 818,878.60 is: 1,228,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,537.80 : 1,277,306.70 = 818,878.60 : x
  2. Step 2: Convert to fraction form
    851,537.80/1,277,306.70 = 818,878.60/x
  3. Step 3: Cross multiply
    851,537.80x = 1,277,306.70 × 818,878.60
  4. Step 4: Simplify right side
    851,537.80x = 1,045,959,122,266.62
  5. Step 5: Solve for x
    x = 1,045,959,122,266.62/851,537.80
  6. Step 6: Final answer
    x = 1,228,317.90

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1.5x scale

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.