Home / 1,209,958.45-1,816,059.19-611,340.32

Finding the Fourth Proportional to 1,209,958.45, 1,816,059.19 and 611,340.32

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Solution

The fourth proportional to 1,209,958.45, 1,816,059.19 and 611,340.32 is: 917,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,958.45 : 1,816,059.19 = 611,340.32 : x
  2. Step 2: Convert to fraction form
    1,209,958.45/1,816,059.19 = 611,340.32/x
  3. Step 3: Cross multiply
    1,209,958.45x = 1,816,059.19 × 611,340.32
  4. Step 4: Simplify right side
    1,209,958.45x = 1,110,230,206,353.54
  5. Step 5: Solve for x
    x = 1,110,230,206,353.54/1,209,958.45
  6. Step 6: Final answer
    x = 917,577.13

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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.