Home / 1,435,308.45-2,151,484.01-636,965.97

Finding the Fourth Proportional to 1,435,308.45, 2,151,484.01 and 636,965.97

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Solution

The fourth proportional to 1,435,308.45, 2,151,484.01 and 636,965.97 is: 954,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,308.45 : 2,151,484.01 = 636,965.97 : x
  2. Step 2: Convert to fraction form
    1,435,308.45/2,151,484.01 = 636,965.97/x
  3. Step 3: Cross multiply
    1,435,308.45x = 2,151,484.01 × 636,965.97
  4. Step 4: Simplify right side
    1,435,308.45x = 1,370,422,099,369.14
  5. Step 5: Solve for x
    x = 1,370,422,099,369.14/1,435,308.45
  6. Step 6: Final answer
    x = 954,792.75

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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.