Home / 525,683.36-725,442.45-283,965.89

Finding the Fourth Proportional to 525,683.36, 725,442.45 and 283,965.89

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Solution

The fourth proportional to 525,683.36, 725,442.45 and 283,965.89 is: 391,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,683.36 : 725,442.45 = 283,965.89 : x
  2. Step 2: Convert to fraction form
    525,683.36/725,442.45 = 283,965.89/x
  3. Step 3: Cross multiply
    525,683.36x = 725,442.45 × 283,965.89
  4. Step 4: Simplify right side
    525,683.36x = 206,000,907,330.82
  5. Step 5: Solve for x
    x = 206,000,907,330.82/525,683.36
  6. Step 6: Final answer
    x = 391,872.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.