Home / 837,578.52-1,155,867.36-455,606.28

Finding the Fourth Proportional to 837,578.52, 1,155,867.36 and 455,606.28

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Solution

The fourth proportional to 837,578.52, 1,155,867.36 and 455,606.28 is: 628,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,578.52 : 1,155,867.36 = 455,606.28 : x
  2. Step 2: Convert to fraction form
    837,578.52/1,155,867.36 = 455,606.28/x
  3. Step 3: Cross multiply
    837,578.52x = 1,155,867.36 × 455,606.28
  4. Step 4: Simplify right side
    837,578.52x = 526,620,428,063.02
  5. Step 5: Solve for x
    x = 526,620,428,063.02/837,578.52
  6. Step 6: Final answer
    x = 628,741.56

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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.