Home / 629,627.57-868,909.49-357,741.56

Finding the Fourth Proportional to 629,627.57, 868,909.49 and 357,741.56

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Solution

The fourth proportional to 629,627.57, 868,909.49 and 357,741.56 is: 493,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,627.57 : 868,909.49 = 357,741.56 : x
  2. Step 2: Convert to fraction form
    629,627.57/868,909.49 = 357,741.56/x
  3. Step 3: Cross multiply
    629,627.57x = 868,909.49 × 357,741.56
  4. Step 4: Simplify right side
    629,627.57x = 310,845,030,318.15
  5. Step 5: Solve for x
    x = 310,845,030,318.15/629,627.57
  6. Step 6: Final answer
    x = 493,696.67

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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.