Home / 1,259,503.56-1,738,049.35-715,563.86

Finding the Fourth Proportional to 1,259,503.56, 1,738,049.35 and 715,563.86

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Solution

The fourth proportional to 1,259,503.56, 1,738,049.35 and 715,563.86 is: 987,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,503.56 : 1,738,049.35 = 715,563.86 : x
  2. Step 2: Convert to fraction form
    1,259,503.56/1,738,049.35 = 715,563.86/x
  3. Step 3: Cross multiply
    1,259,503.56x = 1,738,049.35 × 715,563.86
  4. Step 4: Simplify right side
    1,259,503.56x = 1,243,685,301,756.49
  5. Step 5: Solve for x
    x = 1,243,685,301,756.49/1,259,503.56
  6. Step 6: Final answer
    x = 987,440.88

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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.