Home / 754,305.15-1,040,853.81-431,996.01

Finding the Fourth Proportional to 754,305.15, 1,040,853.81 and 431,996.01

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Solution

The fourth proportional to 754,305.15, 1,040,853.81 and 431,996.01 is: 596,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,305.15 : 1,040,853.81 = 431,996.01 : x
  2. Step 2: Convert to fraction form
    754,305.15/1,040,853.81 = 431,996.01/x
  3. Step 3: Cross multiply
    754,305.15x = 1,040,853.81 × 431,996.01
  4. Step 4: Simplify right side
    754,305.15x = 449,644,692,913.30
  5. Step 5: Solve for x
    x = 449,644,692,913.30/754,305.15
  6. Step 6: Final answer
    x = 596,104.50

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Double scale
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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.