Home / 1,261,221.58-1,740,523.92-717,435.34

Finding the Fourth Proportional to 1,261,221.58, 1,740,523.92 and 717,435.34

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Solution

The fourth proportional to 1,261,221.58, 1,740,523.92 and 717,435.34 is: 990,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,221.58 : 1,740,523.92 = 717,435.34 : x
  2. Step 2: Convert to fraction form
    1,261,221.58/1,740,523.92 = 717,435.34/x
  3. Step 3: Cross multiply
    1,261,221.58x = 1,740,523.92 × 717,435.34
  4. Step 4: Simplify right side
    1,261,221.58x = 1,248,713,370,323.33
  5. Step 5: Solve for x
    x = 1,248,713,370,323.33/1,261,221.58
  6. Step 6: Final answer
    x = 990,082.46

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1.5x scale

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.