Home / 1,266,085.60-1,747,197.84-685,308.62

Finding the Fourth Proportional to 1,266,085.60, 1,747,197.84 and 685,308.62

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Solution

The fourth proportional to 1,266,085.60, 1,747,197.84 and 685,308.62 is: 945,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,085.60 : 1,747,197.84 = 685,308.62 : x
  2. Step 2: Convert to fraction form
    1,266,085.60/1,747,197.84 = 685,308.62/x
  3. Step 3: Cross multiply
    1,266,085.60x = 1,747,197.84 × 685,308.62
  4. Step 4: Simplify right side
    1,266,085.60x = 1,197,369,740,597.38
  5. Step 5: Solve for x
    x = 1,197,369,740,597.38/1,266,085.60
  6. Step 6: Final answer
    x = 945,725.74

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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.