Home / 493,996.06-681,338.40-425,202.60

Finding the Fourth Proportional to 493,996.06, 681,338.40 and 425,202.60

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Solution

The fourth proportional to 493,996.06, 681,338.40 and 425,202.60 is: 586,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,996.06 : 681,338.40 = 425,202.60 : x
  2. Step 2: Convert to fraction form
    493,996.06/681,338.40 = 425,202.60/x
  3. Step 3: Cross multiply
    493,996.06x = 681,338.40 × 425,202.60
  4. Step 4: Simplify right side
    493,996.06x = 289,706,859,159.84
  5. Step 5: Solve for x
    x = 289,706,859,159.84/493,996.06
  6. Step 6: Final answer
    x = 586,455.81

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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.