Home / 511,175.60-705,427.08-281,741.24

Finding the Fourth Proportional to 511,175.60, 705,427.08 and 281,741.24

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Solution

The fourth proportional to 511,175.60, 705,427.08 and 281,741.24 is: 388,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,175.60 : 705,427.08 = 281,741.24 : x
  2. Step 2: Convert to fraction form
    511,175.60/705,427.08 = 281,741.24/x
  3. Step 3: Cross multiply
    511,175.60x = 705,427.08 × 281,741.24
  4. Step 4: Simplify right side
    511,175.60x = 198,747,900,248.78
  5. Step 5: Solve for x
    x = 198,747,900,248.78/511,175.60
  6. Step 6: Final answer
    x = 388,805.53

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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.