Home / 445,970.73-669,058.23-193,293.66

Finding the Fourth Proportional to 445,970.73, 669,058.23 and 193,293.66

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Solution

The fourth proportional to 445,970.73, 669,058.23 and 193,293.66 is: 289,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,970.73 : 669,058.23 = 193,293.66 : x
  2. Step 2: Convert to fraction form
    445,970.73/669,058.23 = 193,293.66/x
  3. Step 3: Cross multiply
    445,970.73x = 669,058.23 × 193,293.66
  4. Step 4: Simplify right side
    445,970.73x = 129,324,714,029.82
  5. Step 5: Solve for x
    x = 129,324,714,029.82/445,970.73
  6. Step 6: Final answer
    x = 289,984.76

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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.