Home / 730,861.34-1,008,596.13-408,589.34

Finding the Fourth Proportional to 730,861.34, 1,008,596.13 and 408,589.34

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Solution

The fourth proportional to 730,861.34, 1,008,596.13 and 408,589.34 is: 563,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,861.34 : 1,008,596.13 = 408,589.34 : x
  2. Step 2: Convert to fraction form
    730,861.34/1,008,596.13 = 408,589.34/x
  3. Step 3: Cross multiply
    730,861.34x = 1,008,596.13 × 408,589.34
  4. Step 4: Simplify right side
    730,861.34x = 412,101,627,083.25
  5. Step 5: Solve for x
    x = 412,101,627,083.25/730,861.34
  6. Step 6: Final answer
    x = 563,857.47

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Half scale
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Double scale
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Similar ratio
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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.