Home / 749,359.33-1,034,115.14-405,194.43

Finding the Fourth Proportional to 749,359.33, 1,034,115.14 and 405,194.43

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Solution

The fourth proportional to 749,359.33, 1,034,115.14 and 405,194.43 is: 559,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,359.33 : 1,034,115.14 = 405,194.43 : x
  2. Step 2: Convert to fraction form
    749,359.33/1,034,115.14 = 405,194.43/x
  3. Step 3: Cross multiply
    749,359.33x = 1,034,115.14 × 405,194.43
  4. Step 4: Simplify right side
    749,359.33x = 419,017,697,318.37
  5. Step 5: Solve for x
    x = 419,017,697,318.37/749,359.33
  6. Step 6: Final answer
    x = 559,167.92

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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.