Home / 621,997.17-933,038.12-211,499.31

Finding the Fourth Proportional to 621,997.17, 933,038.12 and 211,499.31

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Solution

The fourth proportional to 621,997.17, 933,038.12 and 211,499.31 is: 317,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,997.17 : 933,038.12 = 211,499.31 : x
  2. Step 2: Convert to fraction form
    621,997.17/933,038.12 = 211,499.31/x
  3. Step 3: Cross multiply
    621,997.17x = 933,038.12 × 211,499.31
  4. Step 4: Simplify right side
    621,997.17x = 197,336,918,583.70
  5. Step 5: Solve for x
    x = 197,336,918,583.70/621,997.17
  6. Step 6: Final answer
    x = 317,263.37

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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.