Home / 837,252.46-1,155,395.20-455,275.90

Finding the Fourth Proportional to 837,252.46, 1,155,395.20 and 455,275.90

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Solution

The fourth proportional to 837,252.46, 1,155,395.20 and 455,275.90 is: 628,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,252.46 : 1,155,395.20 = 455,275.90 : x
  2. Step 2: Convert to fraction form
    837,252.46/1,155,395.20 = 455,275.90/x
  3. Step 3: Cross multiply
    837,252.46x = 1,155,395.20 × 455,275.90
  4. Step 4: Simplify right side
    837,252.46x = 526,023,589,535.68
  5. Step 5: Solve for x
    x = 526,023,589,535.68/837,252.46
  6. Step 6: Final answer
    x = 628,273.57

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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.