Home / 527,038.44-727,309.67-285,319.23

Finding the Fourth Proportional to 527,038.44, 727,309.67 and 285,319.23

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Solution

The fourth proportional to 527,038.44, 727,309.67 and 285,319.23 is: 393,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,038.44 : 727,309.67 = 285,319.23 : x
  2. Step 2: Convert to fraction form
    527,038.44/727,309.67 = 285,319.23/x
  3. Step 3: Cross multiply
    527,038.44x = 727,309.67 × 285,319.23
  4. Step 4: Simplify right side
    527,038.44x = 207,515,433,589.36
  5. Step 5: Solve for x
    x = 207,515,433,589.36/527,038.44
  6. Step 6: Final answer
    x = 393,738.71

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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.