Home / 488,123.42-673,137.14-380,654.24

Finding the Fourth Proportional to 488,123.42, 673,137.14 and 380,654.24

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Solution

The fourth proportional to 488,123.42, 673,137.14 and 380,654.24 is: 524,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,123.42 : 673,137.14 = 380,654.24 : x
  2. Step 2: Convert to fraction form
    488,123.42/673,137.14 = 380,654.24/x
  3. Step 3: Cross multiply
    488,123.42x = 673,137.14 × 380,654.24
  4. Step 4: Simplify right side
    488,123.42x = 256,232,501,173.52
  5. Step 5: Solve for x
    x = 256,232,501,173.52/488,123.42
  6. Step 6: Final answer
    x = 524,933.85

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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.