Home / 478,837.26-660,799.89-263,984.94

Finding the Fourth Proportional to 478,837.26, 660,799.89 and 263,984.94

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Solution

The fourth proportional to 478,837.26, 660,799.89 and 263,984.94 is: 364,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,837.26 : 660,799.89 = 263,984.94 : x
  2. Step 2: Convert to fraction form
    478,837.26/660,799.89 = 263,984.94/x
  3. Step 3: Cross multiply
    478,837.26x = 660,799.89 × 263,984.94
  4. Step 4: Simplify right side
    478,837.26x = 174,441,219,313.66
  5. Step 5: Solve for x
    x = 174,441,219,313.66/478,837.26
  6. Step 6: Final answer
    x = 364,301.68

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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.