Home / 1,457,986.30-2,186,979.45-511,015.30

Finding the Fourth Proportional to 1,457,986.30, 2,186,979.45 and 511,015.30

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Solution

The fourth proportional to 1,457,986.30, 2,186,979.45 and 511,015.30 is: 766,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,986.30 : 2,186,979.45 = 511,015.30 : x
  2. Step 2: Convert to fraction form
    1,457,986.30/2,186,979.45 = 511,015.30/x
  3. Step 3: Cross multiply
    1,457,986.30x = 2,186,979.45 × 511,015.30
  4. Step 4: Simplify right side
    1,457,986.30x = 1,117,579,959,735.59
  5. Step 5: Solve for x
    x = 1,117,579,959,735.59/1,457,986.30
  6. Step 6: Final answer
    x = 766,522.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.