Home / 1,266,084.60-1,747,196.46-685,307.62

Finding the Fourth Proportional to 1,266,084.60, 1,747,196.46 and 685,307.62

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Solution

The fourth proportional to 1,266,084.60, 1,747,196.46 and 685,307.62 is: 945,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,084.60 : 1,747,196.46 = 685,307.62 : x
  2. Step 2: Convert to fraction form
    1,266,084.60/1,747,196.46 = 685,307.62/x
  3. Step 3: Cross multiply
    1,266,084.60x = 1,747,196.46 × 685,307.62
  4. Step 4: Simplify right side
    1,266,084.60x = 1,197,367,047,675.03
  5. Step 5: Solve for x
    x = 1,197,367,047,675.03/1,266,084.60
  6. Step 6: Final answer
    x = 945,724.36

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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.