Home / 883,167.48-1,218,930.66-520,570.44

Finding the Fourth Proportional to 883,167.48, 1,218,930.66 and 520,570.44

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Solution

The fourth proportional to 883,167.48, 1,218,930.66 and 520,570.44 is: 718,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,167.48 : 1,218,930.66 = 520,570.44 : x
  2. Step 2: Convert to fraction form
    883,167.48/1,218,930.66 = 520,570.44/x
  3. Step 3: Cross multiply
    883,167.48x = 1,218,930.66 × 520,570.44
  4. Step 4: Simplify right side
    883,167.48x = 634,539,270,005.69
  5. Step 5: Solve for x
    x = 634,539,270,005.69/883,167.48
  6. Step 6: Final answer
    x = 718,481.24

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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.