Home / 1,384,558.34-1,910,786.38-772,830.14

Finding the Fourth Proportional to 1,384,558.34, 1,910,786.38 and 772,830.14

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Solution

The fourth proportional to 1,384,558.34, 1,910,786.38 and 772,830.14 is: 1,066,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,558.34 : 1,910,786.38 = 772,830.14 : x
  2. Step 2: Convert to fraction form
    1,384,558.34/1,910,786.38 = 772,830.14/x
  3. Step 3: Cross multiply
    1,384,558.34x = 1,910,786.38 × 772,830.14
  4. Step 4: Simplify right side
    1,384,558.34x = 1,476,713,296,924.38
  5. Step 5: Solve for x
    x = 1,476,713,296,924.38/1,384,558.34
  6. Step 6: Final answer
    x = 1,066,559.10

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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.