Home / 418,136.81-577,010.31-236,845.09

Finding the Fourth Proportional to 418,136.81, 577,010.31 and 236,845.09

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Solution

The fourth proportional to 418,136.81, 577,010.31 and 236,845.09 is: 326,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,136.81 : 577,010.31 = 236,845.09 : x
  2. Step 2: Convert to fraction form
    418,136.81/577,010.31 = 236,845.09/x
  3. Step 3: Cross multiply
    418,136.81x = 577,010.31 × 236,845.09
  4. Step 4: Simplify right side
    418,136.81x = 136,662,060,245.40
  5. Step 5: Solve for x
    x = 136,662,060,245.40/418,136.81
  6. Step 6: Final answer
    x = 326,835.76

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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.