Home / 557,944.66-769,947.42-316,249.48

Finding the Fourth Proportional to 557,944.66, 769,947.42 and 316,249.48

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Solution

The fourth proportional to 557,944.66, 769,947.42 and 316,249.48 is: 436,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,944.66 : 769,947.42 = 316,249.48 : x
  2. Step 2: Convert to fraction form
    557,944.66/769,947.42 = 316,249.48/x
  3. Step 3: Cross multiply
    557,944.66x = 769,947.42 × 316,249.48
  4. Step 4: Simplify right side
    557,944.66x = 243,495,471,202.34
  5. Step 5: Solve for x
    x = 243,495,471,202.34/557,944.66
  6. Step 6: Final answer
    x = 436,415.09

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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.