Home / 387,304.08-534,323.57-234,076.25

Finding the Fourth Proportional to 387,304.08, 534,323.57 and 234,076.25

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Solution

The fourth proportional to 387,304.08, 534,323.57 and 234,076.25 is: 322,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,304.08 : 534,323.57 = 234,076.25 : x
  2. Step 2: Convert to fraction form
    387,304.08/534,323.57 = 234,076.25/x
  3. Step 3: Cross multiply
    387,304.08x = 534,323.57 × 234,076.25
  4. Step 4: Simplify right side
    387,304.08x = 125,072,457,717.64
  5. Step 5: Solve for x
    x = 125,072,457,717.64/387,304.08
  6. Step 6: Final answer
    x = 322,930.91

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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.