Home / 447,827.78-617,974.34-246,623.78

Finding the Fourth Proportional to 447,827.78, 617,974.34 and 246,623.78

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Solution

The fourth proportional to 447,827.78, 617,974.34 and 246,623.78 is: 340,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,827.78 : 617,974.34 = 246,623.78 : x
  2. Step 2: Convert to fraction form
    447,827.78/617,974.34 = 246,623.78/x
  3. Step 3: Cross multiply
    447,827.78x = 617,974.34 × 246,623.78
  4. Step 4: Simplify right side
    447,827.78x = 152,407,167,985.62
  5. Step 5: Solve for x
    x = 152,407,167,985.62/447,827.78
  6. Step 6: Final answer
    x = 340,325.40

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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.