Home / 525,666.50-725,420.02-283,949.06

Finding the Fourth Proportional to 525,666.50, 725,420.02 and 283,949.06

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Solution

The fourth proportional to 525,666.50, 725,420.02 and 283,949.06 is: 391,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,666.50 : 725,420.02 = 283,949.06 : x
  2. Step 2: Convert to fraction form
    525,666.50/725,420.02 = 283,949.06/x
  3. Step 3: Cross multiply
    525,666.50x = 725,420.02 × 283,949.06
  4. Step 4: Simplify right side
    525,666.50x = 205,982,332,784.18
  5. Step 5: Solve for x
    x = 205,982,332,784.18/525,666.50
  6. Step 6: Final answer
    x = 391,849.84

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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.