Home / 729,632.40-1,094,448.60-448,237.20

Finding the Fourth Proportional to 729,632.40, 1,094,448.60 and 448,237.20

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Solution

The fourth proportional to 729,632.40, 1,094,448.60 and 448,237.20 is: 672,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,632.40 : 1,094,448.60 = 448,237.20 : x
  2. Step 2: Convert to fraction form
    729,632.40/1,094,448.60 = 448,237.20/x
  3. Step 3: Cross multiply
    729,632.40x = 1,094,448.60 × 448,237.20
  4. Step 4: Simplify right side
    729,632.40x = 490,572,576,007.92
  5. Step 5: Solve for x
    x = 490,572,576,007.92/729,632.40
  6. Step 6: Final answer
    x = 672,355.80

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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.