Home / 511,301.16-705,599.10-284,961.24

Finding the Fourth Proportional to 511,301.16, 705,599.10 and 284,961.24

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Solution

The fourth proportional to 511,301.16, 705,599.10 and 284,961.24 is: 393,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,301.16 : 705,599.10 = 284,961.24 : x
  2. Step 2: Convert to fraction form
    511,301.16/705,599.10 = 284,961.24/x
  3. Step 3: Cross multiply
    511,301.16x = 705,599.10 × 284,961.24
  4. Step 4: Simplify right side
    511,301.16x = 201,068,394,478.88
  5. Step 5: Solve for x
    x = 201,068,394,478.88/511,301.16
  6. Step 6: Final answer
    x = 393,248.46

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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.