Home / 837,033.92-1,155,129.60-455,087.04

Finding the Fourth Proportional to 837,033.92, 1,155,129.60 and 455,087.04

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Solution

The fourth proportional to 837,033.92, 1,155,129.60 and 455,087.04 is: 628,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,033.92 : 1,155,129.60 = 455,087.04 : x
  2. Step 2: Convert to fraction form
    837,033.92/1,155,129.60 = 455,087.04/x
  3. Step 3: Cross multiply
    837,033.92x = 1,155,129.60 × 455,087.04
  4. Step 4: Simplify right side
    837,033.92x = 525,684,510,480.38
  5. Step 5: Solve for x
    x = 525,684,510,480.38/837,033.92
  6. Step 6: Final answer
    x = 628,032.51

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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.