Home / 1,122,376.25-1,683,813.15-323,595.44

Finding the Fourth Proportional to 1,122,376.25, 1,683,813.15 and 323,595.44

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Solution

The fourth proportional to 1,122,376.25, 1,683,813.15 and 323,595.44 is: 485,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,376.25 : 1,683,813.15 = 323,595.44 : x
  2. Step 2: Convert to fraction form
    1,122,376.25/1,683,813.15 = 323,595.44/x
  3. Step 3: Cross multiply
    1,122,376.25x = 1,683,813.15 × 323,595.44
  4. Step 4: Simplify right side
    1,122,376.25x = 544,874,248,732.97
  5. Step 5: Solve for x
    x = 544,874,248,732.97/1,122,376.25
  6. Step 6: Final answer
    x = 485,464.88

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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.