Home / 681,043.24-939,006.90-425,951.56

Finding the Fourth Proportional to 681,043.24, 939,006.90 and 425,951.56

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Solution

The fourth proportional to 681,043.24, 939,006.90 and 425,951.56 is: 587,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,043.24 : 939,006.90 = 425,951.56 : x
  2. Step 2: Convert to fraction form
    681,043.24/939,006.90 = 425,951.56/x
  3. Step 3: Cross multiply
    681,043.24x = 939,006.90 × 425,951.56
  4. Step 4: Simplify right side
    681,043.24x = 399,971,453,905.76
  5. Step 5: Solve for x
    x = 399,971,453,905.76/681,043.24
  6. Step 6: Final answer
    x = 587,292.30

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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.