Home / 1,438,520.56-1,985,154.31-793,936.14

Finding the Fourth Proportional to 1,438,520.56, 1,985,154.31 and 793,936.14

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Solution

The fourth proportional to 1,438,520.56, 1,985,154.31 and 793,936.14 is: 1,095,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,520.56 : 1,985,154.31 = 793,936.14 : x
  2. Step 2: Convert to fraction form
    1,438,520.56/1,985,154.31 = 793,936.14/x
  3. Step 3: Cross multiply
    1,438,520.56x = 1,985,154.31 × 793,936.14
  4. Step 4: Simplify right side
    1,438,520.56x = 1,576,085,748,200.92
  5. Step 5: Solve for x
    x = 1,576,085,748,200.92/1,438,520.56
  6. Step 6: Final answer
    x = 1,095,629.63

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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.