Home / 1,266,384.90-1,747,614.05-685,614.16

Finding the Fourth Proportional to 1,266,384.90, 1,747,614.05 and 685,614.16

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Solution

The fourth proportional to 1,266,384.90, 1,747,614.05 and 685,614.16 is: 946,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,384.90 : 1,747,614.05 = 685,614.16 : x
  2. Step 2: Convert to fraction form
    1,266,384.90/1,747,614.05 = 685,614.16/x
  3. Step 3: Cross multiply
    1,266,384.90x = 1,747,614.05 × 685,614.16
  4. Step 4: Simplify right side
    1,266,384.90x = 1,198,188,938,894.95
  5. Step 5: Solve for x
    x = 1,198,188,938,894.95/1,266,384.90
  6. Step 6: Final answer
    x = 946,149.10

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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.