Home / 1,905,390-2,858,646.44-767,566.69

Finding the Fourth Proportional to 1,905,390, 2,858,646.44 and 767,566.69

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Solution

The fourth proportional to 1,905,390, 2,858,646.44 and 767,566.69 is: 1,151,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,390 : 2,858,646.44 = 767,566.69 : x
  2. Step 2: Convert to fraction form
    1,905,390/2,858,646.44 = 767,566.69/x
  3. Step 3: Cross multiply
    1,905,390x = 2,858,646.44 × 767,566.69
  4. Step 4: Simplify right side
    1,905,390x = 2,194,201,777,662.79
  5. Step 5: Solve for x
    x = 2,194,201,777,662.79/1,905,390
  6. Step 6: Final answer
    x = 1,151,576.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.