Home / 453,942.60-626,709.06-403,495.80

Finding the Fourth Proportional to 453,942.60, 626,709.06 and 403,495.80

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Solution

The fourth proportional to 453,942.60, 626,709.06 and 403,495.80 is: 557,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,942.60 : 626,709.06 = 403,495.80 : x
  2. Step 2: Convert to fraction form
    453,942.60/626,709.06 = 403,495.80/x
  3. Step 3: Cross multiply
    453,942.60x = 626,709.06 × 403,495.80
  4. Step 4: Simplify right side
    453,942.60x = 252,874,473,531.95
  5. Step 5: Solve for x
    x = 252,874,473,531.95/453,942.60
  6. Step 6: Final answer
    x = 557,062.66

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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.