Home / 629,453.72-868,621.74-342,975.94

Finding the Fourth Proportional to 629,453.72, 868,621.74 and 342,975.94

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Solution

The fourth proportional to 629,453.72, 868,621.74 and 342,975.94 is: 473,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,453.72 : 868,621.74 = 342,975.94 : x
  2. Step 2: Convert to fraction form
    629,453.72/868,621.74 = 342,975.94/x
  3. Step 3: Cross multiply
    629,453.72x = 868,621.74 × 342,975.94
  4. Step 4: Simplify right side
    629,453.72x = 297,916,357,780.94
  5. Step 5: Solve for x
    x = 297,916,357,780.94/629,453.72
  6. Step 6: Final answer
    x = 473,293.51

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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.