Home / 730,104.12-1,092,491.82-430,728.12

Finding the Fourth Proportional to 730,104.12, 1,092,491.82 and 430,728.12

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Solution

The fourth proportional to 730,104.12, 1,092,491.82 and 430,728.12 is: 644,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,104.12 : 1,092,491.82 = 430,728.12 : x
  2. Step 2: Convert to fraction form
    730,104.12/1,092,491.82 = 430,728.12/x
  3. Step 3: Cross multiply
    730,104.12x = 1,092,491.82 × 430,728.12
  4. Step 4: Simplify right side
    730,104.12x = 470,566,947,743.98
  5. Step 5: Solve for x
    x = 470,566,947,743.98/730,104.12
  6. Step 6: Final answer
    x = 644,520.33

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Double scale
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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.