Home / 936,114.60-1,405,554.30-725,989.80

Finding the Fourth Proportional to 936,114.60, 1,405,554.30 and 725,989.80

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Solution

The fourth proportional to 936,114.60, 1,405,554.30 and 725,989.80 is: 1,090,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,114.60 : 1,405,554.30 = 725,989.80 : x
  2. Step 2: Convert to fraction form
    936,114.60/1,405,554.30 = 725,989.80/x
  3. Step 3: Cross multiply
    936,114.60x = 1,405,554.30 × 725,989.80
  4. Step 4: Simplify right side
    936,114.60x = 1,020,418,085,146.14
  5. Step 5: Solve for x
    x = 1,020,418,085,146.14/936,114.60
  6. Step 6: Final answer
    x = 1,090,056.80

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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.