Home / 1,009,958.72-1,393,741.88-557,249.68

Finding the Fourth Proportional to 1,009,958.72, 1,393,741.88 and 557,249.68

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Solution

The fourth proportional to 1,009,958.72, 1,393,741.88 and 557,249.68 is: 769,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,958.72 : 1,393,741.88 = 557,249.68 : x
  2. Step 2: Convert to fraction form
    1,009,958.72/1,393,741.88 = 557,249.68/x
  3. Step 3: Cross multiply
    1,009,958.72x = 1,393,741.88 × 557,249.68
  4. Step 4: Simplify right side
    1,009,958.72x = 776,662,216,632.60
  5. Step 5: Solve for x
    x = 776,662,216,632.60/1,009,958.72
  6. Step 6: Final answer
    x = 769,003.92

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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.