Home / 525,524.66-725,223.92-283,807.20

Finding the Fourth Proportional to 525,524.66, 725,223.92 and 283,807.20

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Solution

The fourth proportional to 525,524.66, 725,223.92 and 283,807.20 is: 391,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,524.66 : 725,223.92 = 283,807.20 : x
  2. Step 2: Convert to fraction form
    525,524.66/725,223.92 = 283,807.20/x
  3. Step 3: Cross multiply
    525,524.66x = 725,223.92 × 283,807.20
  4. Step 4: Simplify right side
    525,524.66x = 205,823,768,689.19
  5. Step 5: Solve for x
    x = 205,823,768,689.19/525,524.66
  6. Step 6: Final answer
    x = 391,653.88

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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.