Home / 769,539.96-1,061,963.46-430,008.21

Finding the Fourth Proportional to 769,539.96, 1,061,963.46 and 430,008.21

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Solution

The fourth proportional to 769,539.96, 1,061,963.46 and 430,008.21 is: 593,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,539.96 : 1,061,963.46 = 430,008.21 : x
  2. Step 2: Convert to fraction form
    769,539.96/1,061,963.46 = 430,008.21/x
  3. Step 3: Cross multiply
    769,539.96x = 1,061,963.46 × 430,008.21
  4. Step 4: Simplify right side
    769,539.96x = 456,653,006,520.01
  5. Step 5: Solve for x
    x = 456,653,006,520.01/769,539.96
  6. Step 6: Final answer
    x = 593,410.39

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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.