Home / 741,698.23-1,023,563.69-419,456.52

Finding the Fourth Proportional to 741,698.23, 1,023,563.69 and 419,456.52

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Solution

The fourth proportional to 741,698.23, 1,023,563.69 and 419,456.52 is: 578,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,698.23 : 1,023,563.69 = 419,456.52 : x
  2. Step 2: Convert to fraction form
    741,698.23/1,023,563.69 = 419,456.52/x
  3. Step 3: Cross multiply
    741,698.23x = 1,023,563.69 × 419,456.52
  4. Step 4: Simplify right side
    741,698.23x = 429,340,463,405.76
  5. Step 5: Solve for x
    x = 429,340,463,405.76/741,698.23
  6. Step 6: Final answer
    x = 578,861.38

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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.