Home / 1,266,866.64-1,748,273.28-686,087.94

Finding the Fourth Proportional to 1,266,866.64, 1,748,273.28 and 686,087.94

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Solution

The fourth proportional to 1,266,866.64, 1,748,273.28 and 686,087.94 is: 946,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,866.64 : 1,748,273.28 = 686,087.94 : x
  2. Step 2: Convert to fraction form
    1,266,866.64/1,748,273.28 = 686,087.94/x
  3. Step 3: Cross multiply
    1,266,866.64x = 1,748,273.28 × 686,087.94
  4. Step 4: Simplify right side
    1,266,866.64x = 1,199,469,213,232.24
  5. Step 5: Solve for x
    x = 1,199,469,213,232.24/1,266,866.64
  6. Step 6: Final answer
    x = 946,799.90

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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.