Home / 591,914.59-816,841.02-319,982.65

Finding the Fourth Proportional to 591,914.59, 816,841.02 and 319,982.65

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Solution

The fourth proportional to 591,914.59, 816,841.02 and 319,982.65 is: 441,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,914.59 : 816,841.02 = 319,982.65 : x
  2. Step 2: Convert to fraction form
    591,914.59/816,841.02 = 319,982.65/x
  3. Step 3: Cross multiply
    591,914.59x = 816,841.02 × 319,982.65
  4. Step 4: Simplify right side
    591,914.59x = 261,374,954,208.30
  5. Step 5: Solve for x
    x = 261,374,954,208.30/591,914.59
  6. Step 6: Final answer
    x = 441,575.45

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Double scale
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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.