Home / 683,328.20-1,025,769.90-403,003.40

Finding the Fourth Proportional to 683,328.20, 1,025,769.90 and 403,003.40

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Solution

The fourth proportional to 683,328.20, 1,025,769.90 and 403,003.40 is: 604,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,328.20 : 1,025,769.90 = 403,003.40 : x
  2. Step 2: Convert to fraction form
    683,328.20/1,025,769.90 = 403,003.40/x
  3. Step 3: Cross multiply
    683,328.20x = 1,025,769.90 × 403,003.40
  4. Step 4: Simplify right side
    683,328.20x = 413,388,757,317.66
  5. Step 5: Solve for x
    x = 413,388,757,317.66/683,328.20
  6. Step 6: Final answer
    x = 604,963.70

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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.