Home / 876,825.75-1,315,276.90-277,831.06

Finding the Fourth Proportional to 876,825.75, 1,315,276.90 and 277,831.06

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Solution

The fourth proportional to 876,825.75, 1,315,276.90 and 277,831.06 is: 416,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,825.75 : 1,315,276.90 = 277,831.06 : x
  2. Step 2: Convert to fraction form
    876,825.75/1,315,276.90 = 277,831.06/x
  3. Step 3: Cross multiply
    876,825.75x = 1,315,276.90 × 277,831.06
  4. Step 4: Simplify right side
    876,825.75x = 365,424,771,337.74
  5. Step 5: Solve for x
    x = 365,424,771,337.74/876,825.75
  6. Step 6: Final answer
    x = 416,758.71

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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.