Home / 1,212,876.72-1,820,435.58-614,258.64

Finding the Fourth Proportional to 1,212,876.72, 1,820,435.58 and 614,258.64

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Solution

The fourth proportional to 1,212,876.72, 1,820,435.58 and 614,258.64 is: 921,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,876.72 : 1,820,435.58 = 614,258.64 : x
  2. Step 2: Convert to fraction form
    1,212,876.72/1,820,435.58 = 614,258.64/x
  3. Step 3: Cross multiply
    1,212,876.72x = 1,820,435.58 × 614,258.64
  4. Step 4: Simplify right side
    1,212,876.72x = 1,118,218,283,578.41
  5. Step 5: Solve for x
    x = 1,118,218,283,578.41/1,212,876.72
  6. Step 6: Final answer
    x = 921,955.43

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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.