Home / 1,238,653.61-1,857,976.97-340,096.31

Finding the Fourth Proportional to 1,238,653.61, 1,857,976.97 and 340,096.31

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Solution

The fourth proportional to 1,238,653.61, 1,857,976.97 and 340,096.31 is: 510,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,653.61 : 1,857,976.97 = 340,096.31 : x
  2. Step 2: Convert to fraction form
    1,238,653.61/1,857,976.97 = 340,096.31/x
  3. Step 3: Cross multiply
    1,238,653.61x = 1,857,976.97 × 340,096.31
  4. Step 4: Simplify right side
    1,238,653.61x = 631,891,111,561.98
  5. Step 5: Solve for x
    x = 631,891,111,561.98/1,238,653.61
  6. Step 6: Final answer
    x = 510,143.52

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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.