Home / 782,644.32-1,174,492.58-277,203.51

Finding the Fourth Proportional to 782,644.32, 1,174,492.58 and 277,203.51

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Solution

The fourth proportional to 782,644.32, 1,174,492.58 and 277,203.51 is: 415,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,644.32 : 1,174,492.58 = 277,203.51 : x
  2. Step 2: Convert to fraction form
    782,644.32/1,174,492.58 = 277,203.51/x
  3. Step 3: Cross multiply
    782,644.32x = 1,174,492.58 × 277,203.51
  4. Step 4: Simplify right side
    782,644.32x = 325,573,464,258.94
  5. Step 5: Solve for x
    x = 325,573,464,258.94/782,644.32
  6. Step 6: Final answer
    x = 415,991.60

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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.