Home / 946,381.37-1,306,120.89-538,582.41

Finding the Fourth Proportional to 946,381.37, 1,306,120.89 and 538,582.41

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Solution

The fourth proportional to 946,381.37, 1,306,120.89 and 538,582.41 is: 743,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,381.37 : 1,306,120.89 = 538,582.41 : x
  2. Step 2: Convert to fraction form
    946,381.37/1,306,120.89 = 538,582.41/x
  3. Step 3: Cross multiply
    946,381.37x = 1,306,120.89 × 538,582.41
  4. Step 4: Simplify right side
    946,381.37x = 703,453,736,687.55
  5. Step 5: Solve for x
    x = 703,453,736,687.55/946,381.37
  6. Step 6: Final answer
    x = 743,308.95

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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.