Home / 682,946.20-1,024,419.30-647,954.20

Finding the Fourth Proportional to 682,946.20, 1,024,419.30 and 647,954.20

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Solution

The fourth proportional to 682,946.20, 1,024,419.30 and 647,954.20 is: 971,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,946.20 : 1,024,419.30 = 647,954.20 : x
  2. Step 2: Convert to fraction form
    682,946.20/1,024,419.30 = 647,954.20/x
  3. Step 3: Cross multiply
    682,946.20x = 1,024,419.30 × 647,954.20
  4. Step 4: Simplify right side
    682,946.20x = 663,776,787,996.06
  5. Step 5: Solve for x
    x = 663,776,787,996.06/682,946.20
  6. Step 6: Final answer
    x = 971,931.30

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Double scale
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Similar ratio
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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.