Home / 741,698.49-1,023,564.03-419,456.77

Finding the Fourth Proportional to 741,698.49, 1,023,564.03 and 419,456.77

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Solution

The fourth proportional to 741,698.49, 1,023,564.03 and 419,456.77 is: 578,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,698.49 : 1,023,564.03 = 419,456.77 : x
  2. Step 2: Convert to fraction form
    741,698.49/1,023,564.03 = 419,456.77/x
  3. Step 3: Cross multiply
    741,698.49x = 1,023,564.03 × 419,456.77
  4. Step 4: Simplify right side
    741,698.49x = 429,340,861,911.98
  5. Step 5: Solve for x
    x = 429,340,861,911.98/741,698.49
  6. Step 6: Final answer
    x = 578,861.72

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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.