Home / 876,829.98-1,314,455.13-315,469.50

Finding the Fourth Proportional to 876,829.98, 1,314,455.13 and 315,469.50

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Solution

The fourth proportional to 876,829.98, 1,314,455.13 and 315,469.50 is: 472,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,829.98 : 1,314,455.13 = 315,469.50 : x
  2. Step 2: Convert to fraction form
    876,829.98/1,314,455.13 = 315,469.50/x
  3. Step 3: Cross multiply
    876,829.98x = 1,314,455.13 × 315,469.50
  4. Step 4: Simplify right side
    876,829.98x = 414,670,502,633.54
  5. Step 5: Solve for x
    x = 414,670,502,633.54/876,829.98
  6. Step 6: Final answer
    x = 472,920.08

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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.