Home / 876,792.94-1,315,078.52-277,814.86

Finding the Fourth Proportional to 876,792.94, 1,315,078.52 and 277,814.86

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Solution

The fourth proportional to 876,792.94, 1,315,078.52 and 277,814.86 is: 416,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,792.94 : 1,315,078.52 = 277,814.86 : x
  2. Step 2: Convert to fraction form
    876,792.94/1,315,078.52 = 277,814.86/x
  3. Step 3: Cross multiply
    876,792.94x = 1,315,078.52 × 277,814.86
  4. Step 4: Simplify right side
    876,792.94x = 365,348,354,922.81
  5. Step 5: Solve for x
    x = 365,348,354,922.81/876,792.94
  6. Step 6: Final answer
    x = 416,687.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.