Home / 476,723.92-657,690.96-307,056.46

Finding the Fourth Proportional to 476,723.92, 657,690.96 and 307,056.46

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Solution

The fourth proportional to 476,723.92, 657,690.96 and 307,056.46 is: 423,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,723.92 : 657,690.96 = 307,056.46 : x
  2. Step 2: Convert to fraction form
    476,723.92/657,690.96 = 307,056.46/x
  3. Step 3: Cross multiply
    476,723.92x = 657,690.96 × 307,056.46
  4. Step 4: Simplify right side
    476,723.92x = 201,948,257,951.60
  5. Step 5: Solve for x
    x = 201,948,257,951.60/476,723.92
  6. Step 6: Final answer
    x = 423,616.79

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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.