Home / 740,455.49-1,110,216.68-628,174.91

Finding the Fourth Proportional to 740,455.49, 1,110,216.68 and 628,174.91

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Solution

The fourth proportional to 740,455.49, 1,110,216.68 and 628,174.91 is: 941,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,455.49 : 1,110,216.68 = 628,174.91 : x
  2. Step 2: Convert to fraction form
    740,455.49/1,110,216.68 = 628,174.91/x
  3. Step 3: Cross multiply
    740,455.49x = 1,110,216.68 × 628,174.91
  4. Step 4: Simplify right side
    740,455.49x = 697,410,265,029.82
  5. Step 5: Solve for x
    x = 697,410,265,029.82/740,455.49
  6. Step 6: Final answer
    x = 941,866.56

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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.