Home / 527,179.03-727,560.77-380,124.86

Finding the Fourth Proportional to 527,179.03, 727,560.77 and 380,124.86

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Solution

The fourth proportional to 527,179.03, 727,560.77 and 380,124.86 is: 524,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,179.03 : 727,560.77 = 380,124.86 : x
  2. Step 2: Convert to fraction form
    527,179.03/727,560.77 = 380,124.86/x
  3. Step 3: Cross multiply
    527,179.03x = 727,560.77 × 380,124.86
  4. Step 4: Simplify right side
    527,179.03x = 276,563,930,299.31
  5. Step 5: Solve for x
    x = 276,563,930,299.31/527,179.03
  6. Step 6: Final answer
    x = 524,611.03

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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.