Home / 1,138,323.72-1,570,909.26-622,109.55

Finding the Fourth Proportional to 1,138,323.72, 1,570,909.26 and 622,109.55

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Solution

The fourth proportional to 1,138,323.72, 1,570,909.26 and 622,109.55 is: 858,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,323.72 : 1,570,909.26 = 622,109.55 : x
  2. Step 2: Convert to fraction form
    1,138,323.72/1,570,909.26 = 622,109.55/x
  3. Step 3: Cross multiply
    1,138,323.72x = 1,570,909.26 × 622,109.55
  4. Step 4: Simplify right side
    1,138,323.72x = 977,277,652,829.43
  5. Step 5: Solve for x
    x = 977,277,652,829.43/1,138,323.72
  6. Step 6: Final answer
    x = 858,523.49

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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.