Home / 876,504.34-1,314,831.44-307,835.89

Finding the Fourth Proportional to 876,504.34, 1,314,831.44 and 307,835.89

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Solution

The fourth proportional to 876,504.34, 1,314,831.44 and 307,835.89 is: 461,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,504.34 : 1,314,831.44 = 307,835.89 : x
  2. Step 2: Convert to fraction form
    876,504.34/1,314,831.44 = 307,835.89/x
  3. Step 3: Cross multiply
    876,504.34x = 1,314,831.44 × 307,835.89
  4. Step 4: Simplify right side
    876,504.34x = 404,752,309,679.24
  5. Step 5: Solve for x
    x = 404,752,309,679.24/876,504.34
  6. Step 6: Final answer
    x = 461,780.15

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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.