Home / 1,265,523.38-1,747,237.34-1,129,323.10

Finding the Fourth Proportional to 1,265,523.38, 1,747,237.34 and 1,129,323.10

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Solution

The fourth proportional to 1,265,523.38, 1,747,237.34 and 1,129,323.10 is: 1,559,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,523.38 : 1,747,237.34 = 1,129,323.10 : x
  2. Step 2: Convert to fraction form
    1,265,523.38/1,747,237.34 = 1,129,323.10/x
  3. Step 3: Cross multiply
    1,265,523.38x = 1,747,237.34 × 1,129,323.10
  4. Step 4: Simplify right side
    1,265,523.38x = 1,973,195,474,861.75
  5. Step 5: Solve for x
    x = 1,973,195,474,861.75/1,265,523.38
  6. Step 6: Final answer
    x = 1,559,193.22

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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.