Home / 1,328,363.31-1,992,543.75-569,714.88

Finding the Fourth Proportional to 1,328,363.31, 1,992,543.75 and 569,714.88

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Solution

The fourth proportional to 1,328,363.31, 1,992,543.75 and 569,714.88 is: 854,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,363.31 : 1,992,543.75 = 569,714.88 : x
  2. Step 2: Convert to fraction form
    1,328,363.31/1,992,543.75 = 569,714.88/x
  3. Step 3: Cross multiply
    1,328,363.31x = 1,992,543.75 × 569,714.88
  4. Step 4: Simplify right side
    1,328,363.31x = 1,135,181,823,426
  5. Step 5: Solve for x
    x = 1,135,181,823,426/1,328,363.31
  6. Step 6: Final answer
    x = 854,571.80

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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.