Home / 527,433.65-727,860.68-285,716.23

Finding the Fourth Proportional to 527,433.65, 727,860.68 and 285,716.23

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Solution

The fourth proportional to 527,433.65, 727,860.68 and 285,716.23 is: 394,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,433.65 : 727,860.68 = 285,716.23 : x
  2. Step 2: Convert to fraction form
    527,433.65/727,860.68 = 285,716.23/x
  3. Step 3: Cross multiply
    527,433.65x = 727,860.68 × 285,716.23
  4. Step 4: Simplify right side
    527,433.65x = 207,961,606,206.60
  5. Step 5: Solve for x
    x = 207,961,606,206.60/527,433.65
  6. Step 6: Final answer
    x = 394,289.60

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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.