Home / 629,602.20-868,825.71-343,116.09

Finding the Fourth Proportional to 629,602.20, 868,825.71 and 343,116.09

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Solution

The fourth proportional to 629,602.20, 868,825.71 and 343,116.09 is: 473,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,602.20 : 868,825.71 = 343,116.09 : x
  2. Step 2: Convert to fraction form
    629,602.20/868,825.71 = 343,116.09/x
  3. Step 3: Cross multiply
    629,602.20x = 868,825.71 × 343,116.09
  4. Step 4: Simplify right side
    629,602.20x = 298,108,080,506.67
  5. Step 5: Solve for x
    x = 298,108,080,506.67/629,602.20
  6. Step 6: Final answer
    x = 473,486.40

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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.