Home / 804,910.70-1,205,983.65-383,278.70

Finding the Fourth Proportional to 804,910.70, 1,205,983.65 and 383,278.70

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Solution

The fourth proportional to 804,910.70, 1,205,983.65 and 383,278.70 is: 574,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,910.70 : 1,205,983.65 = 383,278.70 : x
  2. Step 2: Convert to fraction form
    804,910.70/1,205,983.65 = 383,278.70/x
  3. Step 3: Cross multiply
    804,910.70x = 1,205,983.65 × 383,278.70
  4. Step 4: Simplify right side
    804,910.70x = 462,227,845,593.26
  5. Step 5: Solve for x
    x = 462,227,845,593.26/804,910.70
  6. Step 6: Final answer
    x = 574,259.79

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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.