Home / 840,739.35-1,261,109.03-693,116.85

Finding the Fourth Proportional to 840,739.35, 1,261,109.03 and 693,116.85

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Solution

The fourth proportional to 840,739.35, 1,261,109.03 and 693,116.85 is: 1,039,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,739.35 : 1,261,109.03 = 693,116.85 : x
  2. Step 2: Convert to fraction form
    840,739.35/1,261,109.03 = 693,116.85/x
  3. Step 3: Cross multiply
    840,739.35x = 1,261,109.03 × 693,116.85
  4. Step 4: Simplify right side
    840,739.35x = 874,095,914,914.57
  5. Step 5: Solve for x
    x = 874,095,914,914.57/840,739.35
  6. Step 6: Final answer
    x = 1,039,675.28

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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.