Home / 872,699.94-1,204,333.11-490,723.38

Finding the Fourth Proportional to 872,699.94, 1,204,333.11 and 490,723.38

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Solution

The fourth proportional to 872,699.94, 1,204,333.11 and 490,723.38 is: 677,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,699.94 : 1,204,333.11 = 490,723.38 : x
  2. Step 2: Convert to fraction form
    872,699.94/1,204,333.11 = 490,723.38/x
  3. Step 3: Cross multiply
    872,699.94x = 1,204,333.11 × 490,723.38
  4. Step 4: Simplify right side
    872,699.94x = 590,994,414,385.11
  5. Step 5: Solve for x
    x = 590,994,414,385.11/872,699.94
  6. Step 6: Final answer
    x = 677,202.31

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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.