Home / 682,837.80-1,024,256.70-417,117.30

Finding the Fourth Proportional to 682,837.80, 1,024,256.70 and 417,117.30

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Solution

The fourth proportional to 682,837.80, 1,024,256.70 and 417,117.30 is: 625,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,837.80 : 1,024,256.70 = 417,117.30 : x
  2. Step 2: Convert to fraction form
    682,837.80/1,024,256.70 = 417,117.30/x
  3. Step 3: Cross multiply
    682,837.80x = 1,024,256.70 × 417,117.30
  4. Step 4: Simplify right side
    682,837.80x = 427,235,189,210.91
  5. Step 5: Solve for x
    x = 427,235,189,210.91/682,837.80
  6. Step 6: Final answer
    x = 625,675.95

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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.