Home / 837,624.21-1,155,920.54-455,650.08

Finding the Fourth Proportional to 837,624.21, 1,155,920.54 and 455,650.08

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Solution

The fourth proportional to 837,624.21, 1,155,920.54 and 455,650.08 is: 628,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,624.21 : 1,155,920.54 = 455,650.08 : x
  2. Step 2: Convert to fraction form
    837,624.21/1,155,920.54 = 455,650.08/x
  3. Step 3: Cross multiply
    837,624.21x = 1,155,920.54 × 455,650.08
  4. Step 4: Simplify right side
    837,624.21x = 526,695,284,246.39
  5. Step 5: Solve for x
    x = 526,695,284,246.39/837,624.21
  6. Step 6: Final answer
    x = 628,796.63

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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.