Home / 769,549.96-1,061,977.26-430,018.21

Finding the Fourth Proportional to 769,549.96, 1,061,977.26 and 430,018.21

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Solution

The fourth proportional to 769,549.96, 1,061,977.26 and 430,018.21 is: 593,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,549.96 : 1,061,977.26 = 430,018.21 : x
  2. Step 2: Convert to fraction form
    769,549.96/1,061,977.26 = 430,018.21/x
  3. Step 3: Cross multiply
    769,549.96x = 1,061,977.26 × 430,018.21
  4. Step 4: Simplify right side
    769,549.96x = 456,669,560,405.91
  5. Step 5: Solve for x
    x = 456,669,560,405.91/769,549.96
  6. Step 6: Final answer
    x = 593,424.19

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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.