Home / 815,542.01-1,224,060.35-436,890.29

Finding the Fourth Proportional to 815,542.01, 1,224,060.35 and 436,890.29

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Solution

The fourth proportional to 815,542.01, 1,224,060.35 and 436,890.29 is: 655,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,542.01 : 1,224,060.35 = 436,890.29 : x
  2. Step 2: Convert to fraction form
    815,542.01/1,224,060.35 = 436,890.29/x
  3. Step 3: Cross multiply
    815,542.01x = 1,224,060.35 × 436,890.29
  4. Step 4: Simplify right side
    815,542.01x = 534,780,072,984.25
  5. Step 5: Solve for x
    x = 534,780,072,984.25/815,542.01
  6. Step 6: Final answer
    x = 655,735.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.