Home / 629,736.76-869,038.05-412,094.72

Finding the Fourth Proportional to 629,736.76, 869,038.05 and 412,094.72

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Solution

The fourth proportional to 629,736.76, 869,038.05 and 412,094.72 is: 568,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,736.76 : 869,038.05 = 412,094.72 : x
  2. Step 2: Convert to fraction form
    629,736.76/869,038.05 = 412,094.72/x
  3. Step 3: Cross multiply
    629,736.76x = 869,038.05 × 412,094.72
  4. Step 4: Simplify right side
    629,736.76x = 358,125,991,884.10
  5. Step 5: Solve for x
    x = 358,125,991,884.10/629,736.76
  6. Step 6: Final answer
    x = 568,691.58

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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.