Home / 1,317,640.24-1,818,344.46-714,028.24

Finding the Fourth Proportional to 1,317,640.24, 1,818,344.46 and 714,028.24

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Solution

The fourth proportional to 1,317,640.24, 1,818,344.46 and 714,028.24 is: 985,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,640.24 : 1,818,344.46 = 714,028.24 : x
  2. Step 2: Convert to fraction form
    1,317,640.24/1,818,344.46 = 714,028.24/x
  3. Step 3: Cross multiply
    1,317,640.24x = 1,818,344.46 × 714,028.24
  4. Step 4: Simplify right side
    1,317,640.24x = 1,298,349,294,487.55
  5. Step 5: Solve for x
    x = 1,298,349,294,487.55/1,317,640.24
  6. Step 6: Final answer
    x = 985,359.47

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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.