Home / 1,281,878.46-1,922,670.81-335,340.54

Finding the Fourth Proportional to 1,281,878.46, 1,922,670.81 and 335,340.54

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Solution

The fourth proportional to 1,281,878.46, 1,922,670.81 and 335,340.54 is: 502,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,878.46 : 1,922,670.81 = 335,340.54 : x
  2. Step 2: Convert to fraction form
    1,281,878.46/1,922,670.81 = 335,340.54/x
  3. Step 3: Cross multiply
    1,281,878.46x = 1,922,670.81 × 335,340.54
  4. Step 4: Simplify right side
    1,281,878.46x = 644,749,467,667.64
  5. Step 5: Solve for x
    x = 644,749,467,667.64/1,281,878.46
  6. Step 6: Final answer
    x = 502,972.39

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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.