Home / 447,184.73-617,058.79-302,305.66

Finding the Fourth Proportional to 447,184.73, 617,058.79 and 302,305.66

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Solution

The fourth proportional to 447,184.73, 617,058.79 and 302,305.66 is: 417,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,184.73 : 617,058.79 = 302,305.66 : x
  2. Step 2: Convert to fraction form
    447,184.73/617,058.79 = 302,305.66/x
  3. Step 3: Cross multiply
    447,184.73x = 617,058.79 × 302,305.66
  4. Step 4: Simplify right side
    447,184.73x = 186,540,362,471.34
  5. Step 5: Solve for x
    x = 186,540,362,471.34/447,184.73
  6. Step 6: Final answer
    x = 417,143.86

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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.