Home / 1,237,932.50-1,856,898.81-817,109.96

Finding the Fourth Proportional to 1,237,932.50, 1,856,898.81 and 817,109.96

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Solution

The fourth proportional to 1,237,932.50, 1,856,898.81 and 817,109.96 is: 1,225,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,932.50 : 1,856,898.81 = 817,109.96 : x
  2. Step 2: Convert to fraction form
    1,237,932.50/1,856,898.81 = 817,109.96/x
  3. Step 3: Cross multiply
    1,237,932.50x = 1,856,898.81 × 817,109.96
  4. Step 4: Simplify right side
    1,237,932.50x = 1,517,290,503,078.65
  5. Step 5: Solve for x
    x = 1,517,290,503,078.65/1,237,932.50
  6. Step 6: Final answer
    x = 1,225,664.98

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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.