Home / 525,680.17-725,438.06-283,962.69

Finding the Fourth Proportional to 525,680.17, 725,438.06 and 283,962.69

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Solution

The fourth proportional to 525,680.17, 725,438.06 and 283,962.69 is: 391,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,680.17 : 725,438.06 = 283,962.69 : x
  2. Step 2: Convert to fraction form
    525,680.17/725,438.06 = 283,962.69/x
  3. Step 3: Cross multiply
    525,680.17x = 725,438.06 × 283,962.69
  4. Step 4: Simplify right side
    525,680.17x = 205,997,342,591.03
  5. Step 5: Solve for x
    x = 205,997,342,591.03/525,680.17
  6. Step 6: Final answer
    x = 391,868.20

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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.