Home / 527,235.72-727,586.00-285,518.69

Finding the Fourth Proportional to 527,235.72, 727,586.00 and 285,518.69

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Solution

The fourth proportional to 527,235.72, 727,586.00 and 285,518.69 is: 394,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,235.72 : 727,586.00 = 285,518.69 : x
  2. Step 2: Convert to fraction form
    527,235.72/727,586.00 = 285,518.69/x
  3. Step 3: Cross multiply
    527,235.72x = 727,586.00 × 285,518.69
  4. Step 4: Simplify right side
    527,235.72x = 207,739,396,516.82
  5. Step 5: Solve for x
    x = 207,739,396,516.82/527,235.72
  6. Step 6: Final answer
    x = 394,016.17

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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.