Home / 1,266,368.39-1,747,591.20-685,597.64

Finding the Fourth Proportional to 1,266,368.39, 1,747,591.20 and 685,597.64

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Solution

The fourth proportional to 1,266,368.39, 1,747,591.20 and 685,597.64 is: 946,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,368.39 : 1,747,591.20 = 685,597.64 : x
  2. Step 2: Convert to fraction form
    1,266,368.39/1,747,591.20 = 685,597.64/x
  3. Step 3: Cross multiply
    1,266,368.39x = 1,747,591.20 × 685,597.64
  4. Step 4: Simplify right side
    1,266,368.39x = 1,198,144,393,666.81
  5. Step 5: Solve for x
    x = 1,198,144,393,666.81/1,266,368.39
  6. Step 6: Final answer
    x = 946,126.27

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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.