Home / 769,542.94-1,154,361.99-257,254.17

Finding the Fourth Proportional to 769,542.94, 1,154,361.99 and 257,254.17

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Solution

The fourth proportional to 769,542.94, 1,154,361.99 and 257,254.17 is: 385,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,542.94 : 1,154,361.99 = 257,254.17 : x
  2. Step 2: Convert to fraction form
    769,542.94/1,154,361.99 = 257,254.17/x
  3. Step 3: Cross multiply
    769,542.94x = 1,154,361.99 × 257,254.17
  4. Step 4: Simplify right side
    769,542.94x = 296,964,431,444.82
  5. Step 5: Solve for x
    x = 296,964,431,444.82/769,542.94
  6. Step 6: Final answer
    x = 385,897.16

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1.5x scale

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.