Home / 685,487.56-1,027,050.36-533,738.92

Finding the Fourth Proportional to 685,487.56, 1,027,050.36 and 533,738.92

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Solution

The fourth proportional to 685,487.56, 1,027,050.36 and 533,738.92 is: 799,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,487.56 : 1,027,050.36 = 533,738.92 : x
  2. Step 2: Convert to fraction form
    685,487.56/1,027,050.36 = 533,738.92/x
  3. Step 3: Cross multiply
    685,487.56x = 1,027,050.36 × 533,738.92
  4. Step 4: Simplify right side
    685,487.56x = 548,176,749,932.01
  5. Step 5: Solve for x
    x = 548,176,749,932.01/685,487.56
  6. Step 6: Final answer
    x = 799,688.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.