Home / 1,932,918.40-2,898,340.80-809,718.40

Finding the Fourth Proportional to 1,932,918.40, 2,898,340.80 and 809,718.40

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Solution

The fourth proportional to 1,932,918.40, 2,898,340.80 and 809,718.40 is: 1,214,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,918.40 : 2,898,340.80 = 809,718.40 : x
  2. Step 2: Convert to fraction form
    1,932,918.40/2,898,340.80 = 809,718.40/x
  3. Step 3: Cross multiply
    1,932,918.40x = 2,898,340.80 × 809,718.40
  4. Step 4: Simplify right side
    1,932,918.40x = 2,346,839,875,230.72
  5. Step 5: Solve for x
    x = 2,346,839,875,230.72/1,932,918.40
  6. Step 6: Final answer
    x = 1,214,143.27

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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.