Home / 451,985.72-677,977.90-185,558.56

Finding the Fourth Proportional to 451,985.72, 677,977.90 and 185,558.56

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Solution

The fourth proportional to 451,985.72, 677,977.90 and 185,558.56 is: 278,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,985.72 : 677,977.90 = 185,558.56 : x
  2. Step 2: Convert to fraction form
    451,985.72/677,977.90 = 185,558.56/x
  3. Step 3: Cross multiply
    451,985.72x = 677,977.90 × 185,558.56
  4. Step 4: Simplify right side
    451,985.72x = 125,804,602,835.82
  5. Step 5: Solve for x
    x = 125,804,602,835.82/451,985.72
  6. Step 6: Final answer
    x = 278,337.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.