Home / 525,664.80-725,416.98-283,947.30

Finding the Fourth Proportional to 525,664.80, 725,416.98 and 283,947.30

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Solution

The fourth proportional to 525,664.80, 725,416.98 and 283,947.30 is: 391,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,664.80 : 725,416.98 = 283,947.30 : x
  2. Step 2: Convert to fraction form
    525,664.80/725,416.98 = 283,947.30/x
  3. Step 3: Cross multiply
    525,664.80x = 725,416.98 × 283,947.30
  4. Step 4: Simplify right side
    525,664.80x = 205,980,192,845.15
  5. Step 5: Solve for x
    x = 205,980,192,845.15/525,664.80
  6. Step 6: Final answer
    x = 391,847.03

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1.5x scale

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.