Home / 629,686.16-868,961.32-343,206.24

Finding the Fourth Proportional to 629,686.16, 868,961.32 and 343,206.24

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Solution

The fourth proportional to 629,686.16, 868,961.32 and 343,206.24 is: 473,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,686.16 : 868,961.32 = 343,206.24 : x
  2. Step 2: Convert to fraction form
    629,686.16/868,961.32 = 343,206.24/x
  3. Step 3: Cross multiply
    629,686.16x = 868,961.32 × 343,206.24
  4. Step 4: Simplify right side
    629,686.16x = 298,232,947,342.64
  5. Step 5: Solve for x
    x = 298,232,947,342.64/629,686.16
  6. Step 6: Final answer
    x = 473,621.57

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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.