Home / 837,319.01-1,155,489.38-455,337.59

Finding the Fourth Proportional to 837,319.01, 1,155,489.38 and 455,337.59

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Solution

The fourth proportional to 837,319.01, 1,155,489.38 and 455,337.59 is: 628,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,319.01 : 1,155,489.38 = 455,337.59 : x
  2. Step 2: Convert to fraction form
    837,319.01/1,155,489.38 = 455,337.59/x
  3. Step 3: Cross multiply
    837,319.01x = 1,155,489.38 × 455,337.59
  4. Step 4: Simplify right side
    837,319.01x = 526,137,741,505.66
  5. Step 5: Solve for x
    x = 526,137,741,505.66/837,319.01
  6. Step 6: Final answer
    x = 628,359.97

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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.