Home / 1,079,733.29-1,618,354.37-405,384.50

Finding the Fourth Proportional to 1,079,733.29, 1,618,354.37 and 405,384.50

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Solution

The fourth proportional to 1,079,733.29, 1,618,354.37 and 405,384.50 is: 607,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,733.29 : 1,618,354.37 = 405,384.50 : x
  2. Step 2: Convert to fraction form
    1,079,733.29/1,618,354.37 = 405,384.50/x
  3. Step 3: Cross multiply
    1,079,733.29x = 1,618,354.37 × 405,384.50
  4. Step 4: Simplify right side
    1,079,733.29x = 656,055,766,986.57
  5. Step 5: Solve for x
    x = 656,055,766,986.57/1,079,733.29
  6. Step 6: Final answer
    x = 607,609.10

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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.