Home / 1,293,611.40-1,772,253.99-1,245,127.47

Finding the Fourth Proportional to 1,293,611.40, 1,772,253.99 and 1,245,127.47

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Solution

The fourth proportional to 1,293,611.40, 1,772,253.99 and 1,245,127.47 is: 1,705,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,611.40 : 1,772,253.99 = 1,245,127.47 : x
  2. Step 2: Convert to fraction form
    1,293,611.40/1,772,253.99 = 1,245,127.47/x
  3. Step 3: Cross multiply
    1,293,611.40x = 1,772,253.99 × 1,245,127.47
  4. Step 4: Simplify right side
    1,293,611.40x = 2,206,682,126,766.11
  5. Step 5: Solve for x
    x = 2,206,682,126,766.11/1,293,611.40
  6. Step 6: Final answer
    x = 1,705,830.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.