Home / 876,828.48-1,314,452.88-315,468

Finding the Fourth Proportional to 876,828.48, 1,314,452.88 and 315,468

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Solution

The fourth proportional to 876,828.48, 1,314,452.88 and 315,468 is: 472,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,828.48 : 1,314,452.88 = 315,468 : x
  2. Step 2: Convert to fraction form
    876,828.48/1,314,452.88 = 315,468/x
  3. Step 3: Cross multiply
    876,828.48x = 1,314,452.88 × 315,468
  4. Step 4: Simplify right side
    876,828.48x = 414,667,821,147.84
  5. Step 5: Solve for x
    x = 414,667,821,147.84/876,828.48
  6. Step 6: Final answer
    x = 472,917.83

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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.