Home / 809,569.08-1,214,261.28-277,020

Finding the Fourth Proportional to 809,569.08, 1,214,261.28 and 277,020

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Solution

The fourth proportional to 809,569.08, 1,214,261.28 and 277,020 is: 415,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,569.08 : 1,214,261.28 = 277,020 : x
  2. Step 2: Convert to fraction form
    809,569.08/1,214,261.28 = 277,020/x
  3. Step 3: Cross multiply
    809,569.08x = 1,214,261.28 × 277,020
  4. Step 4: Simplify right side
    809,569.08x = 336,374,659,785.60
  5. Step 5: Solve for x
    x = 336,374,659,785.60/809,569.08
  6. Step 6: Final answer
    x = 415,498.40

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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.