Home / 679,010.31-936,682.85-461,230.20

Finding the Fourth Proportional to 679,010.31, 936,682.85 and 461,230.20

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Solution

The fourth proportional to 679,010.31, 936,682.85 and 461,230.20 is: 636,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,010.31 : 936,682.85 = 461,230.20 : x
  2. Step 2: Convert to fraction form
    679,010.31/936,682.85 = 461,230.20/x
  3. Step 3: Cross multiply
    679,010.31x = 936,682.85 × 461,230.20
  4. Step 4: Simplify right side
    679,010.31x = 432,026,419,395.15
  5. Step 5: Solve for x
    x = 432,026,419,395.15/679,010.31
  6. Step 6: Final answer
    x = 636,259.00

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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.