Home / 1,266,534.48-1,747,820.14-685,763.94

Finding the Fourth Proportional to 1,266,534.48, 1,747,820.14 and 685,763.94

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Solution

The fourth proportional to 1,266,534.48, 1,747,820.14 and 685,763.94 is: 946,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,534.48 : 1,747,820.14 = 685,763.94 : x
  2. Step 2: Convert to fraction form
    1,266,534.48/1,747,820.14 = 685,763.94/x
  3. Step 3: Cross multiply
    1,266,534.48x = 1,747,820.14 × 685,763.94
  4. Step 4: Simplify right side
    1,266,534.48x = 1,198,592,025,617.75
  5. Step 5: Solve for x
    x = 1,198,592,025,617.75/1,266,534.48
  6. Step 6: Final answer
    x = 946,355.62

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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.