Home / 757,936.08-1,045,924.38-418,397.04

Finding the Fourth Proportional to 757,936.08, 1,045,924.38 and 418,397.04

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Solution

The fourth proportional to 757,936.08, 1,045,924.38 and 418,397.04 is: 577,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,936.08 : 1,045,924.38 = 418,397.04 : x
  2. Step 2: Convert to fraction form
    757,936.08/1,045,924.38 = 418,397.04/x
  3. Step 3: Cross multiply
    757,936.08x = 1,045,924.38 × 418,397.04
  4. Step 4: Simplify right side
    757,936.08x = 437,611,664,655.84
  5. Step 5: Solve for x
    x = 437,611,664,655.84/757,936.08
  6. Step 6: Final answer
    x = 577,372.78

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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.