Home / 1,127,916.78-1,556,537.19-611,671.62

Finding the Fourth Proportional to 1,127,916.78, 1,556,537.19 and 611,671.62

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Solution

The fourth proportional to 1,127,916.78, 1,556,537.19 and 611,671.62 is: 844,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,916.78 : 1,556,537.19 = 611,671.62 : x
  2. Step 2: Convert to fraction form
    1,127,916.78/1,556,537.19 = 611,671.62/x
  3. Step 3: Cross multiply
    1,127,916.78x = 1,556,537.19 × 611,671.62
  4. Step 4: Simplify right side
    1,127,916.78x = 952,089,624,597.55
  5. Step 5: Solve for x
    x = 952,089,624,597.55/1,127,916.78
  6. Step 6: Final answer
    x = 844,113.36

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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.