Home / 683,169.72-1,025,379.60-346,442.76

Finding the Fourth Proportional to 683,169.72, 1,025,379.60 and 346,442.76

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Solution

The fourth proportional to 683,169.72, 1,025,379.60 and 346,442.76 is: 519,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,169.72 : 1,025,379.60 = 346,442.76 : x
  2. Step 2: Convert to fraction form
    683,169.72/1,025,379.60 = 346,442.76/x
  3. Step 3: Cross multiply
    683,169.72x = 1,025,379.60 × 346,442.76
  4. Step 4: Simplify right side
    683,169.72x = 355,235,338,671.70
  5. Step 5: Solve for x
    x = 355,235,338,671.70/683,169.72
  6. Step 6: Final answer
    x = 519,981.09

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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.