Home / 837,613.71-1,155,906.05-455,639.58

Finding the Fourth Proportional to 837,613.71, 1,155,906.05 and 455,639.58

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Solution

The fourth proportional to 837,613.71, 1,155,906.05 and 455,639.58 is: 628,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,613.71 : 1,155,906.05 = 455,639.58 : x
  2. Step 2: Convert to fraction form
    837,613.71/1,155,906.05 = 455,639.58/x
  3. Step 3: Cross multiply
    837,613.71x = 1,155,906.05 × 455,639.58
  4. Step 4: Simplify right side
    837,613.71x = 526,676,544,863.26
  5. Step 5: Solve for x
    x = 526,676,544,863.26/837,613.71
  6. Step 6: Final answer
    x = 628,782.14

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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.