Home / 1,266,441.60-1,747,665.60-693,471.36

Finding the Fourth Proportional to 1,266,441.60, 1,747,665.60 and 693,471.36

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Solution

The fourth proportional to 1,266,441.60, 1,747,665.60 and 693,471.36 is: 956,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,441.60 : 1,747,665.60 = 693,471.36 : x
  2. Step 2: Convert to fraction form
    1,266,441.60/1,747,665.60 = 693,471.36/x
  3. Step 3: Cross multiply
    1,266,441.60x = 1,747,665.60 × 693,471.36
  4. Step 4: Simplify right side
    1,266,441.60x = 1,211,956,040,457.22
  5. Step 5: Solve for x
    x = 1,211,956,040,457.22/1,266,441.60
  6. Step 6: Final answer
    x = 956,977.44

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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.