Home / 685,217.40-1,024,910.10-614,650.20

Finding the Fourth Proportional to 685,217.40, 1,024,910.10 and 614,650.20

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Solution

The fourth proportional to 685,217.40, 1,024,910.10 and 614,650.20 is: 919,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,217.40 : 1,024,910.10 = 614,650.20 : x
  2. Step 2: Convert to fraction form
    685,217.40/1,024,910.10 = 614,650.20/x
  3. Step 3: Cross multiply
    685,217.40x = 1,024,910.10 × 614,650.20
  4. Step 4: Simplify right side
    685,217.40x = 629,961,197,947.02
  5. Step 5: Solve for x
    x = 629,961,197,947.02/685,217.40
  6. Step 6: Final answer
    x = 919,359.60

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Double scale
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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.