Home / 455,622.20-683,433.30-410,521.40

Finding the Fourth Proportional to 455,622.20, 683,433.30 and 410,521.40

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Solution

The fourth proportional to 455,622.20, 683,433.30 and 410,521.40 is: 615,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,622.20 : 683,433.30 = 410,521.40 : x
  2. Step 2: Convert to fraction form
    455,622.20/683,433.30 = 410,521.40/x
  3. Step 3: Cross multiply
    455,622.20x = 683,433.30 × 410,521.40
  4. Step 4: Simplify right side
    455,622.20x = 280,563,995,122.62
  5. Step 5: Solve for x
    x = 280,563,995,122.62/455,622.20
  6. Step 6: Final answer
    x = 615,782.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.