Home / 629,301.90-868,095.45-374,603.88

Finding the Fourth Proportional to 629,301.90, 868,095.45 and 374,603.88

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Solution

The fourth proportional to 629,301.90, 868,095.45 and 374,603.88 is: 516,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,301.90 : 868,095.45 = 374,603.88 : x
  2. Step 2: Convert to fraction form
    629,301.90/868,095.45 = 374,603.88/x
  3. Step 3: Cross multiply
    629,301.90x = 868,095.45 × 374,603.88
  4. Step 4: Simplify right side
    629,301.90x = 325,191,923,780.35
  5. Step 5: Solve for x
    x = 325,191,923,780.35/629,301.90
  6. Step 6: Final answer
    x = 516,750.27

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Similar ratio
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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.