Home / 451,765.17-623,455.61-270,442.14

Finding the Fourth Proportional to 451,765.17, 623,455.61 and 270,442.14

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Solution

The fourth proportional to 451,765.17, 623,455.61 and 270,442.14 is: 373,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,765.17 : 623,455.61 = 270,442.14 : x
  2. Step 2: Convert to fraction form
    451,765.17/623,455.61 = 270,442.14/x
  3. Step 3: Cross multiply
    451,765.17x = 623,455.61 × 270,442.14
  4. Step 4: Simplify right side
    451,765.17x = 168,608,669,940.79
  5. Step 5: Solve for x
    x = 168,608,669,940.79/451,765.17
  6. Step 6: Final answer
    x = 373,221.93

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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.