Home / 690,528.32-952,926.12-384,608.33

Finding the Fourth Proportional to 690,528.32, 952,926.12 and 384,608.33

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Solution

The fourth proportional to 690,528.32, 952,926.12 and 384,608.33 is: 530,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,528.32 : 952,926.12 = 384,608.33 : x
  2. Step 2: Convert to fraction form
    690,528.32/952,926.12 = 384,608.33/x
  3. Step 3: Cross multiply
    690,528.32x = 952,926.12 × 384,608.33
  4. Step 4: Simplify right side
    690,528.32x = 366,503,318,861.95
  5. Step 5: Solve for x
    x = 366,503,318,861.95/690,528.32
  6. Step 6: Final answer
    x = 530,757.84

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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.