Home / 1,326,838.41-1,830,596.51-1,081,401.12

Finding the Fourth Proportional to 1,326,838.41, 1,830,596.51 and 1,081,401.12

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Solution

The fourth proportional to 1,326,838.41, 1,830,596.51 and 1,081,401.12 is: 1,491,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,838.41 : 1,830,596.51 = 1,081,401.12 : x
  2. Step 2: Convert to fraction form
    1,326,838.41/1,830,596.51 = 1,081,401.12/x
  3. Step 3: Cross multiply
    1,326,838.41x = 1,830,596.51 × 1,081,401.12
  4. Step 4: Simplify right side
    1,326,838.41x = 1,979,609,118,885.59
  5. Step 5: Solve for x
    x = 1,979,609,118,885.59/1,326,838.41
  6. Step 6: Final answer
    x = 1,491,974.53

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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.