Home / 726,911.60-1,090,367.40-694,252.40

Finding the Fourth Proportional to 726,911.60, 1,090,367.40 and 694,252.40

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Solution

The fourth proportional to 726,911.60, 1,090,367.40 and 694,252.40 is: 1,041,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,911.60 : 1,090,367.40 = 694,252.40 : x
  2. Step 2: Convert to fraction form
    726,911.60/1,090,367.40 = 694,252.40/x
  3. Step 3: Cross multiply
    726,911.60x = 1,090,367.40 × 694,252.40
  4. Step 4: Simplify right side
    726,911.60x = 756,990,184,331.76
  5. Step 5: Solve for x
    x = 756,990,184,331.76/726,911.60
  6. Step 6: Final answer
    x = 1,041,378.60

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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.