Home / 1,247,102.58-1,870,688.72-405,654.33

Finding the Fourth Proportional to 1,247,102.58, 1,870,688.72 and 405,654.33

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Solution

The fourth proportional to 1,247,102.58, 1,870,688.72 and 405,654.33 is: 608,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,102.58 : 1,870,688.72 = 405,654.33 : x
  2. Step 2: Convert to fraction form
    1,247,102.58/1,870,688.72 = 405,654.33/x
  3. Step 3: Cross multiply
    1,247,102.58x = 1,870,688.72 × 405,654.33
  4. Step 4: Simplify right side
    1,247,102.58x = 758,852,976,856.75
  5. Step 5: Solve for x
    x = 758,852,976,856.75/1,247,102.58
  6. Step 6: Final answer
    x = 608,492.83

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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.