Home / 447,110.78-616,865.91-277,312.10

Finding the Fourth Proportional to 447,110.78, 616,865.91 and 277,312.10

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Solution

The fourth proportional to 447,110.78, 616,865.91 and 277,312.10 is: 382,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,110.78 : 616,865.91 = 277,312.10 : x
  2. Step 2: Convert to fraction form
    447,110.78/616,865.91 = 277,312.10/x
  3. Step 3: Cross multiply
    447,110.78x = 616,865.91 × 277,312.10
  4. Step 4: Simplify right side
    447,110.78x = 171,064,380,920.51
  5. Step 5: Solve for x
    x = 171,064,380,920.51/447,110.78
  6. Step 6: Final answer
    x = 382,599.54

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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.