Home / 511,272.24-705,541.56-284,911.92

Finding the Fourth Proportional to 511,272.24, 705,541.56 and 284,911.92

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Solution

The fourth proportional to 511,272.24, 705,541.56 and 284,911.92 is: 393,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,272.24 : 705,541.56 = 284,911.92 : x
  2. Step 2: Convert to fraction form
    511,272.24/705,541.56 = 284,911.92/x
  3. Step 3: Cross multiply
    511,272.24x = 705,541.56 × 284,911.92
  4. Step 4: Simplify right side
    511,272.24x = 201,017,200,499.40
  5. Step 5: Solve for x
    x = 201,017,200,499.40/511,272.24
  6. Step 6: Final answer
    x = 393,170.57

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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.