Home / 1,317,705.68-1,818,433.68-714,093.68

Finding the Fourth Proportional to 1,317,705.68, 1,818,433.68 and 714,093.68

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Solution

The fourth proportional to 1,317,705.68, 1,818,433.68 and 714,093.68 is: 985,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,705.68 : 1,818,433.68 = 714,093.68 : x
  2. Step 2: Convert to fraction form
    1,317,705.68/1,818,433.68 = 714,093.68/x
  3. Step 3: Cross multiply
    1,317,705.68x = 1,818,433.68 × 714,093.68
  4. Step 4: Simplify right side
    1,317,705.68x = 1,298,531,998,387.14
  5. Step 5: Solve for x
    x = 1,298,531,998,387.14/1,317,705.68
  6. Step 6: Final answer
    x = 985,449.19

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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.