Home / 1,218,007.77-1,826,181.26-617,811.59

Finding the Fourth Proportional to 1,218,007.77, 1,826,181.26 and 617,811.59

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Solution

The fourth proportional to 1,218,007.77, 1,826,181.26 and 617,811.59 is: 926,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,007.77 : 1,826,181.26 = 617,811.59 : x
  2. Step 2: Convert to fraction form
    1,218,007.77/1,826,181.26 = 617,811.59/x
  3. Step 3: Cross multiply
    1,218,007.77x = 1,826,181.26 × 617,811.59
  4. Step 4: Simplify right side
    1,218,007.77x = 1,128,235,935,648.84
  5. Step 5: Solve for x
    x = 1,128,235,935,648.84/1,218,007.77
  6. Step 6: Final answer
    x = 926,296.17

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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.