Home / 1,074,835.36-1,611,993.30-316,470.43

Finding the Fourth Proportional to 1,074,835.36, 1,611,993.30 and 316,470.43

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Solution

The fourth proportional to 1,074,835.36, 1,611,993.30 and 316,470.43 is: 474,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,835.36 : 1,611,993.30 = 316,470.43 : x
  2. Step 2: Convert to fraction form
    1,074,835.36/1,611,993.30 = 316,470.43/x
  3. Step 3: Cross multiply
    1,074,835.36x = 1,611,993.30 × 316,470.43
  4. Step 4: Simplify right side
    1,074,835.36x = 510,148,212,808.12
  5. Step 5: Solve for x
    x = 510,148,212,808.12/1,074,835.36
  6. Step 6: Final answer
    x = 474,629.17

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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.