Home / 699,654.58-1,047,379.41-626,570.84

Finding the Fourth Proportional to 699,654.58, 1,047,379.41 and 626,570.84

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Solution

The fourth proportional to 699,654.58, 1,047,379.41 and 626,570.84 is: 937,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,654.58 : 1,047,379.41 = 626,570.84 : x
  2. Step 2: Convert to fraction form
    699,654.58/1,047,379.41 = 626,570.84/x
  3. Step 3: Cross multiply
    699,654.58x = 1,047,379.41 × 626,570.84
  4. Step 4: Simplify right side
    699,654.58x = 656,257,399,340.85
  5. Step 5: Solve for x
    x = 656,257,399,340.85/699,654.58
  6. Step 6: Final answer
    x = 937,973.42

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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.