Home / 1,253,997.30-1,730,526.45-681,041.57

Finding the Fourth Proportional to 1,253,997.30, 1,730,526.45 and 681,041.57

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Solution

The fourth proportional to 1,253,997.30, 1,730,526.45 and 681,041.57 is: 939,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,997.30 : 1,730,526.45 = 681,041.57 : x
  2. Step 2: Convert to fraction form
    1,253,997.30/1,730,526.45 = 681,041.57/x
  3. Step 3: Cross multiply
    1,253,997.30x = 1,730,526.45 × 681,041.57
  4. Step 4: Simplify right side
    1,253,997.30x = 1,178,560,453,829.31
  5. Step 5: Solve for x
    x = 1,178,560,453,829.31/1,253,997.30
  6. Step 6: Final answer
    x = 939,842.90

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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.