Home / 511,519.14-705,880.17-282,086.10

Finding the Fourth Proportional to 511,519.14, 705,880.17 and 282,086.10

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Solution

The fourth proportional to 511,519.14, 705,880.17 and 282,086.10 is: 389,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,519.14 : 705,880.17 = 282,086.10 : x
  2. Step 2: Convert to fraction form
    511,519.14/705,880.17 = 282,086.10/x
  3. Step 3: Cross multiply
    511,519.14x = 705,880.17 × 282,086.10
  4. Step 4: Simplify right side
    511,519.14x = 199,118,984,222.64
  5. Step 5: Solve for x
    x = 199,118,984,222.64/511,519.14
  6. Step 6: Final answer
    x = 389,269.86

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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.