Home / 629,684.08-868,984.38-357,747.04

Finding the Fourth Proportional to 629,684.08, 868,984.38 and 357,747.04

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Solution

The fourth proportional to 629,684.08, 868,984.38 and 357,747.04 is: 493,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,684.08 : 868,984.38 = 357,747.04 : x
  2. Step 2: Convert to fraction form
    629,684.08/868,984.38 = 357,747.04/x
  3. Step 3: Cross multiply
    629,684.08x = 868,984.38 × 357,747.04
  4. Step 4: Simplify right side
    629,684.08x = 310,876,589,751.24
  5. Step 5: Solve for x
    x = 310,876,589,751.24/629,684.08
  6. Step 6: Final answer
    x = 493,702.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.