Home / 1,384,056.45-1,910,053.44-772,262.64

Finding the Fourth Proportional to 1,384,056.45, 1,910,053.44 and 772,262.64

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Solution

The fourth proportional to 1,384,056.45, 1,910,053.44 and 772,262.64 is: 1,065,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,056.45 : 1,910,053.44 = 772,262.64 : x
  2. Step 2: Convert to fraction form
    1,384,056.45/1,910,053.44 = 772,262.64/x
  3. Step 3: Cross multiply
    1,384,056.45x = 1,910,053.44 × 772,262.64
  4. Step 4: Simplify right side
    1,384,056.45x = 1,475,062,912,115.48
  5. Step 5: Solve for x
    x = 1,475,062,912,115.48/1,384,056.45
  6. Step 6: Final answer
    x = 1,065,753.43

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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.