Home / 1,143,222-1,577,532.64-659,942.84

Finding the Fourth Proportional to 1,143,222, 1,577,532.64 and 659,942.84

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Solution

The fourth proportional to 1,143,222, 1,577,532.64 and 659,942.84 is: 910,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,222 : 1,577,532.64 = 659,942.84 : x
  2. Step 2: Convert to fraction form
    1,143,222/1,577,532.64 = 659,942.84/x
  3. Step 3: Cross multiply
    1,143,222x = 1,577,532.64 × 659,942.84
  4. Step 4: Simplify right side
    1,143,222x = 1,041,081,370,634.30
  5. Step 5: Solve for x
    x = 1,041,081,370,634.30/1,143,222
  6. Step 6: Final answer
    x = 910,655.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.