Home / 1,180,429.71-1,769,885.74-775,143.07

Finding the Fourth Proportional to 1,180,429.71, 1,769,885.74 and 775,143.07

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Solution

The fourth proportional to 1,180,429.71, 1,769,885.74 and 775,143.07 is: 1,162,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,429.71 : 1,769,885.74 = 775,143.07 : x
  2. Step 2: Convert to fraction form
    1,180,429.71/1,769,885.74 = 775,143.07/x
  3. Step 3: Cross multiply
    1,180,429.71x = 1,769,885.74 × 775,143.07
  4. Step 4: Simplify right side
    1,180,429.71x = 1,371,914,662,597.04
  5. Step 5: Solve for x
    x = 1,371,914,662,597.04/1,180,429.71
  6. Step 6: Final answer
    x = 1,162,216.31

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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.