Home / 1,317,910.96-1,818,718.68-714,298.96

Finding the Fourth Proportional to 1,317,910.96, 1,818,718.68 and 714,298.96

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Solution

The fourth proportional to 1,317,910.96, 1,818,718.68 and 714,298.96 is: 985,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,910.96 : 1,818,718.68 = 714,298.96 : x
  2. Step 2: Convert to fraction form
    1,317,910.96/1,818,718.68 = 714,298.96/x
  3. Step 3: Cross multiply
    1,317,910.96x = 1,818,718.68 × 714,298.96
  4. Step 4: Simplify right side
    1,317,910.96x = 1,299,108,861,656.57
  5. Step 5: Solve for x
    x = 1,299,108,861,656.57/1,317,910.96
  6. Step 6: Final answer
    x = 985,733.41

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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.