Home / 511,262.08-705,546.60-281,828.28

Finding the Fourth Proportional to 511,262.08, 705,546.60 and 281,828.28

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Solution

The fourth proportional to 511,262.08, 705,546.60 and 281,828.28 is: 388,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,262.08 : 705,546.60 = 281,828.28 : x
  2. Step 2: Convert to fraction form
    511,262.08/705,546.60 = 281,828.28/x
  3. Step 3: Cross multiply
    511,262.08x = 705,546.60 × 281,828.28
  4. Step 4: Simplify right side
    511,262.08x = 198,842,984,737.85
  5. Step 5: Solve for x
    x = 198,842,984,737.85/511,262.08
  6. Step 6: Final answer
    x = 388,925.74

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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.