Home / 1,317,661.92-1,818,324.72-714,036.96

Finding the Fourth Proportional to 1,317,661.92, 1,818,324.72 and 714,036.96

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Solution

The fourth proportional to 1,317,661.92, 1,818,324.72 and 714,036.96 is: 985,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,661.92 : 1,818,324.72 = 714,036.96 : x
  2. Step 2: Convert to fraction form
    1,317,661.92/1,818,324.72 = 714,036.96/x
  3. Step 3: Cross multiply
    1,317,661.92x = 1,818,324.72 × 714,036.96
  4. Step 4: Simplify right side
    1,317,661.92x = 1,298,351,055,361.65
  5. Step 5: Solve for x
    x = 1,298,351,055,361.65/1,317,661.92
  6. Step 6: Final answer
    x = 985,344.60

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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.