Home / 455,414.90-683,122.35-404,239.10

Finding the Fourth Proportional to 455,414.90, 683,122.35 and 404,239.10

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Solution

The fourth proportional to 455,414.90, 683,122.35 and 404,239.10 is: 606,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,414.90 : 683,122.35 = 404,239.10 : x
  2. Step 2: Convert to fraction form
    455,414.90/683,122.35 = 404,239.10/x
  3. Step 3: Cross multiply
    455,414.90x = 683,122.35 × 404,239.10
  4. Step 4: Simplify right side
    455,414.90x = 276,144,763,953.89
  5. Step 5: Solve for x
    x = 276,144,763,953.89/455,414.90
  6. Step 6: Final answer
    x = 606,358.65

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Similar ratio
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1.5x scale

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.