Home / 1,317,720.96-1,818,456.48-714,108.96

Finding the Fourth Proportional to 1,317,720.96, 1,818,456.48 and 714,108.96

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Solution

The fourth proportional to 1,317,720.96, 1,818,456.48 and 714,108.96 is: 985,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,720.96 : 1,818,456.48 = 714,108.96 : x
  2. Step 2: Convert to fraction form
    1,317,720.96/1,818,456.48 = 714,108.96/x
  3. Step 3: Cross multiply
    1,317,720.96x = 1,818,456.48 × 714,108.96
  4. Step 4: Simplify right side
    1,317,720.96x = 1,298,576,065,738.06
  5. Step 5: Solve for x
    x = 1,298,576,065,738.06/1,317,720.96
  6. Step 6: Final answer
    x = 985,471.21

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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.