Home / 1,438,610.56-1,985,141.14-793,989.20

Finding the Fourth Proportional to 1,438,610.56, 1,985,141.14 and 793,989.20

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Solution

The fourth proportional to 1,438,610.56, 1,985,141.14 and 793,989.20 is: 1,095,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,610.56 : 1,985,141.14 = 793,989.20 : x
  2. Step 2: Convert to fraction form
    1,438,610.56/1,985,141.14 = 793,989.20/x
  3. Step 3: Cross multiply
    1,438,610.56x = 1,985,141.14 × 793,989.20
  4. Step 4: Simplify right side
    1,438,610.56x = 1,576,180,613,725.01
  5. Step 5: Solve for x
    x = 1,576,180,613,725.01/1,438,610.56
  6. Step 6: Final answer
    x = 1,095,627.03

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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.