Home / 527,232.60-727,583.07-285,515.28

Finding the Fourth Proportional to 527,232.60, 727,583.07 and 285,515.28

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Solution

The fourth proportional to 527,232.60, 727,583.07 and 285,515.28 is: 394,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,232.60 : 727,583.07 = 285,515.28 : x
  2. Step 2: Convert to fraction form
    527,232.60/727,583.07 = 285,515.28/x
  3. Step 3: Cross multiply
    527,232.60x = 727,583.07 × 285,515.28
  4. Step 4: Simplify right side
    527,232.60x = 207,736,083,954.31
  5. Step 5: Solve for x
    x = 207,736,083,954.31/527,232.60
  6. Step 6: Final answer
    x = 394,012.21

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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.