Home / 525,515.28-725,211.02-283,797.81

Finding the Fourth Proportional to 525,515.28, 725,211.02 and 283,797.81

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Solution

The fourth proportional to 525,515.28, 725,211.02 and 283,797.81 is: 391,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,515.28 : 725,211.02 = 283,797.81 : x
  2. Step 2: Convert to fraction form
    525,515.28/725,211.02 = 283,797.81/x
  3. Step 3: Cross multiply
    525,515.28x = 725,211.02 × 283,797.81
  4. Step 4: Simplify right side
    525,515.28x = 205,813,297,844.88
  5. Step 5: Solve for x
    x = 205,813,297,844.88/525,515.28
  6. Step 6: Final answer
    x = 391,640.94

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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.