Home / 683,338.20-1,025,784.90-403,013.40

Finding the Fourth Proportional to 683,338.20, 1,025,784.90 and 403,013.40

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Solution

The fourth proportional to 683,338.20, 1,025,784.90 and 403,013.40 is: 604,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,338.20 : 1,025,784.90 = 403,013.40 : x
  2. Step 2: Convert to fraction form
    683,338.20/1,025,784.90 = 403,013.40/x
  3. Step 3: Cross multiply
    683,338.20x = 1,025,784.90 × 403,013.40
  4. Step 4: Simplify right side
    683,338.20x = 413,405,060,217.66
  5. Step 5: Solve for x
    x = 413,405,060,217.66/683,338.20
  6. Step 6: Final answer
    x = 604,978.71

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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.