Home / 1,178,896.73-1,626,877.47-642,352.73

Finding the Fourth Proportional to 1,178,896.73, 1,626,877.47 and 642,352.73

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Solution

The fourth proportional to 1,178,896.73, 1,626,877.47 and 642,352.73 is: 886,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,896.73 : 1,626,877.47 = 642,352.73 : x
  2. Step 2: Convert to fraction form
    1,178,896.73/1,626,877.47 = 642,352.73/x
  3. Step 3: Cross multiply
    1,178,896.73x = 1,626,877.47 × 642,352.73
  4. Step 4: Simplify right side
    1,178,896.73x = 1,045,029,184,229.99
  5. Step 5: Solve for x
    x = 1,045,029,184,229.99/1,178,896.73
  6. Step 6: Final answer
    x = 886,446.76

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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.