Home / 1,123,866.90-1,686,857.40-591,769.80

Finding the Fourth Proportional to 1,123,866.90, 1,686,857.40 and 591,769.80

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Solution

The fourth proportional to 1,123,866.90, 1,686,857.40 and 591,769.80 is: 888,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,866.90 : 1,686,857.40 = 591,769.80 : x
  2. Step 2: Convert to fraction form
    1,123,866.90/1,686,857.40 = 591,769.80/x
  3. Step 3: Cross multiply
    1,123,866.90x = 1,686,857.40 × 591,769.80
  4. Step 4: Simplify right side
    1,123,866.90x = 998,231,266,226.52
  5. Step 5: Solve for x
    x = 998,231,266,226.52/1,123,866.90
  6. Step 6: Final answer
    x = 888,211.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.