Home / 889,764.67-1,227,997.41-545,539.72

Finding the Fourth Proportional to 889,764.67, 1,227,997.41 and 545,539.72

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Solution

The fourth proportional to 889,764.67, 1,227,997.41 and 545,539.72 is: 752,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,764.67 : 1,227,997.41 = 545,539.72 : x
  2. Step 2: Convert to fraction form
    889,764.67/1,227,997.41 = 545,539.72/x
  3. Step 3: Cross multiply
    889,764.67x = 1,227,997.41 × 545,539.72
  4. Step 4: Simplify right side
    889,764.67x = 669,921,363,212.13
  5. Step 5: Solve for x
    x = 669,921,363,212.13/889,764.67
  6. Step 6: Final answer
    x = 752,919.72

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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.