Home / 525,664.50-725,417.26-283,947.06

Finding the Fourth Proportional to 525,664.50, 725,417.26 and 283,947.06

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Solution

The fourth proportional to 525,664.50, 725,417.26 and 283,947.06 is: 391,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,664.50 : 725,417.26 = 283,947.06 : x
  2. Step 2: Convert to fraction form
    525,664.50/725,417.26 = 283,947.06/x
  3. Step 3: Cross multiply
    525,664.50x = 725,417.26 × 283,947.06
  4. Step 4: Simplify right side
    525,664.50x = 205,980,098,250.26
  5. Step 5: Solve for x
    x = 205,980,098,250.26/525,664.50
  6. Step 6: Final answer
    x = 391,847.08

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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.