Home / 701,135.60-1,051,703.40-659,663.60

Finding the Fourth Proportional to 701,135.60, 1,051,703.40 and 659,663.60

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Solution

The fourth proportional to 701,135.60, 1,051,703.40 and 659,663.60 is: 989,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,135.60 : 1,051,703.40 = 659,663.60 : x
  2. Step 2: Convert to fraction form
    701,135.60/1,051,703.40 = 659,663.60/x
  3. Step 3: Cross multiply
    701,135.60x = 1,051,703.40 × 659,663.60
  4. Step 4: Simplify right side
    701,135.60x = 693,770,450,976.24
  5. Step 5: Solve for x
    x = 693,770,450,976.24/701,135.60
  6. Step 6: Final answer
    x = 989,495.40

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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.