Home / 447,201.60-670,802.40-444,577.20

Finding the Fourth Proportional to 447,201.60, 670,802.40 and 444,577.20

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Solution

The fourth proportional to 447,201.60, 670,802.40 and 444,577.20 is: 666,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,201.60 : 670,802.40 = 444,577.20 : x
  2. Step 2: Convert to fraction form
    447,201.60/670,802.40 = 444,577.20/x
  3. Step 3: Cross multiply
    447,201.60x = 670,802.40 × 444,577.20
  4. Step 4: Simplify right side
    447,201.60x = 298,223,452,745.28
  5. Step 5: Solve for x
    x = 298,223,452,745.28/447,201.60
  6. Step 6: Final answer
    x = 666,865.80

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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.