Home / 527,629.92-727,944.24-298,157.28

Finding the Fourth Proportional to 527,629.92, 727,944.24 and 298,157.28

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Solution

The fourth proportional to 527,629.92, 727,944.24 and 298,157.28 is: 411,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,629.92 : 727,944.24 = 298,157.28 : x
  2. Step 2: Convert to fraction form
    527,629.92/727,944.24 = 298,157.28/x
  3. Step 3: Cross multiply
    527,629.92x = 727,944.24 × 298,157.28
  4. Step 4: Simplify right side
    527,629.92x = 217,041,874,590.07
  5. Step 5: Solve for x
    x = 217,041,874,590.07/527,629.92
  6. Step 6: Final answer
    x = 411,352.48

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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.