Home / 1,355,969.16-2,033,854.65-636,474.78

Finding the Fourth Proportional to 1,355,969.16, 2,033,854.65 and 636,474.78

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Solution

The fourth proportional to 1,355,969.16, 2,033,854.65 and 636,474.78 is: 954,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,969.16 : 2,033,854.65 = 636,474.78 : x
  2. Step 2: Convert to fraction form
    1,355,969.16/2,033,854.65 = 636,474.78/x
  3. Step 3: Cross multiply
    1,355,969.16x = 2,033,854.65 × 636,474.78
  4. Step 4: Simplify right side
    1,355,969.16x = 1,294,497,190,910.73
  5. Step 5: Solve for x
    x = 1,294,497,190,910.73/1,355,969.16
  6. Step 6: Final answer
    x = 954,665.66

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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.