Home / 1,396,975.59-1,927,833.98-816,232.82

Finding the Fourth Proportional to 1,396,975.59, 1,927,833.98 and 816,232.82

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Solution

The fourth proportional to 1,396,975.59, 1,927,833.98 and 816,232.82 is: 1,126,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,975.59 : 1,927,833.98 = 816,232.82 : x
  2. Step 2: Convert to fraction form
    1,396,975.59/1,927,833.98 = 816,232.82/x
  3. Step 3: Cross multiply
    1,396,975.59x = 1,927,833.98 × 816,232.82
  4. Step 4: Simplify right side
    1,396,975.59x = 1,573,561,352,266.89
  5. Step 5: Solve for x
    x = 1,573,561,352,266.89/1,396,975.59
  6. Step 6: Final answer
    x = 1,126,405.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.