Home / 885,877.16-1,326,821.46-620,820.96

Finding the Fourth Proportional to 885,877.16, 1,326,821.46 and 620,820.96

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Solution

The fourth proportional to 885,877.16, 1,326,821.46 and 620,820.96 is: 929,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,877.16 : 1,326,821.46 = 620,820.96 : x
  2. Step 2: Convert to fraction form
    885,877.16/1,326,821.46 = 620,820.96/x
  3. Step 3: Cross multiply
    885,877.16x = 1,326,821.46 × 620,820.96
  4. Step 4: Simplify right side
    885,877.16x = 823,718,568,734.26
  5. Step 5: Solve for x
    x = 823,718,568,734.26/885,877.16
  6. Step 6: Final answer
    x = 929,833.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.