Home / 456,069.46-629,553.45-408,240.10

Finding the Fourth Proportional to 456,069.46, 629,553.45 and 408,240.10

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Solution

The fourth proportional to 456,069.46, 629,553.45 and 408,240.10 is: 563,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,069.46 : 629,553.45 = 408,240.10 : x
  2. Step 2: Convert to fraction form
    456,069.46/629,553.45 = 408,240.10/x
  3. Step 3: Cross multiply
    456,069.46x = 629,553.45 × 408,240.10
  4. Step 4: Simplify right side
    456,069.46x = 257,008,963,383.35
  5. Step 5: Solve for x
    x = 257,008,963,383.35/456,069.46
  6. Step 6: Final answer
    x = 563,530.31

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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.