Home / 450,604.16-621,809.04-256,983.44

Finding the Fourth Proportional to 450,604.16, 621,809.04 and 256,983.44

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Solution

The fourth proportional to 450,604.16, 621,809.04 and 256,983.44 is: 354,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,604.16 : 621,809.04 = 256,983.44 : x
  2. Step 2: Convert to fraction form
    450,604.16/621,809.04 = 256,983.44/x
  3. Step 3: Cross multiply
    450,604.16x = 621,809.04 × 256,983.44
  4. Step 4: Simplify right side
    450,604.16x = 159,794,626,122.30
  5. Step 5: Solve for x
    x = 159,794,626,122.30/450,604.16
  6. Step 6: Final answer
    x = 354,623.06

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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.