Home / 366,259.17-505,443.34-211,124.85

Finding the Fourth Proportional to 366,259.17, 505,443.34 and 211,124.85

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Solution

The fourth proportional to 366,259.17, 505,443.34 and 211,124.85 is: 291,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,259.17 : 505,443.34 = 211,124.85 : x
  2. Step 2: Convert to fraction form
    366,259.17/505,443.34 = 211,124.85/x
  3. Step 3: Cross multiply
    366,259.17x = 505,443.34 × 211,124.85
  4. Step 4: Simplify right side
    366,259.17x = 106,711,651,974.17
  5. Step 5: Solve for x
    x = 106,711,651,974.17/366,259.17
  6. Step 6: Final answer
    x = 291,355.58

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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.