Home / 1,438,757.39-1,985,484.89-794,177.40

Finding the Fourth Proportional to 1,438,757.39, 1,985,484.89 and 794,177.40

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Solution

The fourth proportional to 1,438,757.39, 1,985,484.89 and 794,177.40 is: 1,095,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,757.39 : 1,985,484.89 = 794,177.40 : x
  2. Step 2: Convert to fraction form
    1,438,757.39/1,985,484.89 = 794,177.40/x
  3. Step 3: Cross multiply
    1,438,757.39x = 1,985,484.89 × 794,177.40
  4. Step 4: Simplify right side
    1,438,757.39x = 1,576,827,223,708.60
  5. Step 5: Solve for x
    x = 1,576,827,223,708.60/1,438,757.39
  6. Step 6: Final answer
    x = 1,095,964.64

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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.