Home / 680,414.10-1,020,621.15-467,837.70

Finding the Fourth Proportional to 680,414.10, 1,020,621.15 and 467,837.70

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Solution

The fourth proportional to 680,414.10, 1,020,621.15 and 467,837.70 is: 701,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,414.10 : 1,020,621.15 = 467,837.70 : x
  2. Step 2: Convert to fraction form
    680,414.10/1,020,621.15 = 467,837.70/x
  3. Step 3: Cross multiply
    680,414.10x = 1,020,621.15 × 467,837.70
  4. Step 4: Simplify right side
    680,414.10x = 477,485,051,387.36
  5. Step 5: Solve for x
    x = 477,485,051,387.36/680,414.10
  6. Step 6: Final answer
    x = 701,756.55

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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.