Home / 1,326,491.87-1,830,039.14-816,308.51

Finding the Fourth Proportional to 1,326,491.87, 1,830,039.14 and 816,308.51

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Solution

The fourth proportional to 1,326,491.87, 1,830,039.14 and 816,308.51 is: 1,126,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,491.87 : 1,830,039.14 = 816,308.51 : x
  2. Step 2: Convert to fraction form
    1,326,491.87/1,830,039.14 = 816,308.51/x
  3. Step 3: Cross multiply
    1,326,491.87x = 1,830,039.14 × 816,308.51
  4. Step 4: Simplify right side
    1,326,491.87x = 1,493,876,516,505.66
  5. Step 5: Solve for x
    x = 1,493,876,516,505.66/1,326,491.87
  6. Step 6: Final answer
    x = 1,126,185.96

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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.