Home / 849,429.44-1,172,187.04-467,455.68

Finding the Fourth Proportional to 849,429.44, 1,172,187.04 and 467,455.68

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Solution

The fourth proportional to 849,429.44, 1,172,187.04 and 467,455.68 is: 645,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,429.44 : 1,172,187.04 = 467,455.68 : x
  2. Step 2: Convert to fraction form
    849,429.44/1,172,187.04 = 467,455.68/x
  3. Step 3: Cross multiply
    849,429.44x = 1,172,187.04 × 467,455.68
  4. Step 4: Simplify right side
    849,429.44x = 547,945,489,870.39
  5. Step 5: Solve for x
    x = 547,945,489,870.39/849,429.44
  6. Step 6: Final answer
    x = 645,074.76

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Double scale
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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.