Home / 527,409.55-727,677.52-331,197.19

Finding the Fourth Proportional to 527,409.55, 727,677.52 and 331,197.19

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Solution

The fourth proportional to 527,409.55, 727,677.52 and 331,197.19 is: 456,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,409.55 : 727,677.52 = 331,197.19 : x
  2. Step 2: Convert to fraction form
    527,409.55/727,677.52 = 331,197.19/x
  3. Step 3: Cross multiply
    527,409.55x = 727,677.52 × 331,197.19
  4. Step 4: Simplify right side
    527,409.55x = 241,004,747,202.98
  5. Step 5: Solve for x
    x = 241,004,747,202.98/527,409.55
  6. Step 6: Final answer
    x = 456,959.40

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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.