Home / 1,070,728.39-1,477,607.30-587,297.51

Finding the Fourth Proportional to 1,070,728.39, 1,477,607.30 and 587,297.51

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Solution

The fourth proportional to 1,070,728.39, 1,477,607.30 and 587,297.51 is: 810,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,728.39 : 1,477,607.30 = 587,297.51 : x
  2. Step 2: Convert to fraction form
    1,070,728.39/1,477,607.30 = 587,297.51/x
  3. Step 3: Cross multiply
    1,070,728.39x = 1,477,607.30 × 587,297.51
  4. Step 4: Simplify right side
    1,070,728.39x = 867,795,088,047.82
  5. Step 5: Solve for x
    x = 867,795,088,047.82/1,070,728.39
  6. Step 6: Final answer
    x = 810,471.73

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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.