Home / 451,583.20-623,252.94-288,309.46

Finding the Fourth Proportional to 451,583.20, 623,252.94 and 288,309.46

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Solution

The fourth proportional to 451,583.20, 623,252.94 and 288,309.46 is: 397,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,583.20 : 623,252.94 = 288,309.46 : x
  2. Step 2: Convert to fraction form
    451,583.20/623,252.94 = 288,309.46/x
  3. Step 3: Cross multiply
    451,583.20x = 623,252.94 × 288,309.46
  4. Step 4: Simplify right side
    451,583.20x = 179,689,718,574.81
  5. Step 5: Solve for x
    x = 179,689,718,574.81/451,583.20
  6. Step 6: Final answer
    x = 397,910.55

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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.