Home / 936,865-1,405,294.86-723,942.76

Finding the Fourth Proportional to 936,865, 1,405,294.86 and 723,942.76

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Solution

The fourth proportional to 936,865, 1,405,294.86 and 723,942.76 is: 1,085,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,865 : 1,405,294.86 = 723,942.76 : x
  2. Step 2: Convert to fraction form
    936,865/1,405,294.86 = 723,942.76/x
  3. Step 3: Cross multiply
    936,865x = 1,405,294.86 × 723,942.76
  4. Step 4: Simplify right side
    936,865x = 1,017,353,039,562.21
  5. Step 5: Solve for x
    x = 1,017,353,039,562.21/936,865
  6. Step 6: Final answer
    x = 1,085,912.10

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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.