Home / 937,225.80-1,405,838.70-686,550.60

Finding the Fourth Proportional to 937,225.80, 1,405,838.70 and 686,550.60

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Solution

The fourth proportional to 937,225.80, 1,405,838.70 and 686,550.60 is: 1,029,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,225.80 : 1,405,838.70 = 686,550.60 : x
  2. Step 2: Convert to fraction form
    937,225.80/1,405,838.70 = 686,550.60/x
  3. Step 3: Cross multiply
    937,225.80x = 1,405,838.70 × 686,550.60
  4. Step 4: Simplify right side
    937,225.80x = 965,179,402,988.22
  5. Step 5: Solve for x
    x = 965,179,402,988.22/937,225.80
  6. Step 6: Final answer
    x = 1,029,825.90

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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.