Home / 629,065.60-868,182.24-374,417.60

Finding the Fourth Proportional to 629,065.60, 868,182.24 and 374,417.60

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Solution

The fourth proportional to 629,065.60, 868,182.24 and 374,417.60 is: 516,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,065.60 : 868,182.24 = 374,417.60 : x
  2. Step 2: Convert to fraction form
    629,065.60/868,182.24 = 374,417.60/x
  3. Step 3: Cross multiply
    629,065.60x = 868,182.24 × 374,417.60
  4. Step 4: Simplify right side
    629,065.60x = 325,062,710,663.42
  5. Step 5: Solve for x
    x = 325,062,710,663.42/629,065.60
  6. Step 6: Final answer
    x = 516,738.97

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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.