Home / 1,266,320.00-1,747,508.31-685,530.16

Finding the Fourth Proportional to 1,266,320.00, 1,747,508.31 and 685,530.16

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Solution

The fourth proportional to 1,266,320.00, 1,747,508.31 and 685,530.16 is: 946,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,320.00 : 1,747,508.31 = 685,530.16 : x
  2. Step 2: Convert to fraction form
    1,266,320.00/1,747,508.31 = 685,530.16/x
  3. Step 3: Cross multiply
    1,266,320.00x = 1,747,508.31 × 685,530.16
  4. Step 4: Simplify right side
    1,266,320.00x = 1,197,969,646,986.86
  5. Step 5: Solve for x
    x = 1,197,969,646,986.86/1,266,320.00
  6. Step 6: Final answer
    x = 946,024.42

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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.