Home / 937,219.80-1,405,829.70-686,544.60

Finding the Fourth Proportional to 937,219.80, 1,405,829.70 and 686,544.60

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Solution

The fourth proportional to 937,219.80, 1,405,829.70 and 686,544.60 is: 1,029,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,219.80 : 1,405,829.70 = 686,544.60 : x
  2. Step 2: Convert to fraction form
    937,219.80/1,405,829.70 = 686,544.60/x
  3. Step 3: Cross multiply
    937,219.80x = 1,405,829.70 × 686,544.60
  4. Step 4: Simplify right side
    937,219.80x = 965,164,789,054.62
  5. Step 5: Solve for x
    x = 965,164,789,054.62/937,219.80
  6. Step 6: Final answer
    x = 1,029,816.90

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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.