Home / 837,623.46-1,155,919.50-455,649.33

Finding the Fourth Proportional to 837,623.46, 1,155,919.50 and 455,649.33

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Solution

The fourth proportional to 837,623.46, 1,155,919.50 and 455,649.33 is: 628,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,623.46 : 1,155,919.50 = 455,649.33 : x
  2. Step 2: Convert to fraction form
    837,623.46/1,155,919.50 = 455,649.33/x
  3. Step 3: Cross multiply
    837,623.46x = 1,155,919.50 × 455,649.33
  4. Step 4: Simplify right side
    837,623.46x = 526,693,945,708.94
  5. Step 5: Solve for x
    x = 526,693,945,708.94/837,623.46
  6. Step 6: Final answer
    x = 628,795.60

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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.