Home / 682,205.06-941,702.38-512,930.90

Finding the Fourth Proportional to 682,205.06, 941,702.38 and 512,930.90

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Solution

The fourth proportional to 682,205.06, 941,702.38 and 512,930.90 is: 708,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,205.06 : 941,702.38 = 512,930.90 : x
  2. Step 2: Convert to fraction form
    682,205.06/941,702.38 = 512,930.90/x
  3. Step 3: Cross multiply
    682,205.06x = 941,702.38 × 512,930.90
  4. Step 4: Simplify right side
    682,205.06x = 483,028,249,305.54
  5. Step 5: Solve for x
    x = 483,028,249,305.54/682,205.06
  6. Step 6: Final answer
    x = 708,039.68

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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.