Home / 527,497.56-727,945.61-285,786.17

Finding the Fourth Proportional to 527,497.56, 727,945.61 and 285,786.17

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Solution

The fourth proportional to 527,497.56, 727,945.61 and 285,786.17 is: 394,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,497.56 : 727,945.61 = 285,786.17 : x
  2. Step 2: Convert to fraction form
    527,497.56/727,945.61 = 285,786.17/x
  3. Step 3: Cross multiply
    527,497.56x = 727,945.61 × 285,786.17
  4. Step 4: Simplify right side
    527,497.56x = 208,036,782,781.56
  5. Step 5: Solve for x
    x = 208,036,782,781.56/527,497.56
  6. Step 6: Final answer
    x = 394,384.35

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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.