Home / 480,326.04-720,503.64-164,778.36

Finding the Fourth Proportional to 480,326.04, 720,503.64 and 164,778.36

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Solution

The fourth proportional to 480,326.04, 720,503.64 and 164,778.36 is: 247,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,326.04 : 720,503.64 = 164,778.36 : x
  2. Step 2: Convert to fraction form
    480,326.04/720,503.64 = 164,778.36/x
  3. Step 3: Cross multiply
    480,326.04x = 720,503.64 × 164,778.36
  4. Step 4: Simplify right side
    480,326.04x = 118,723,408,173.23
  5. Step 5: Solve for x
    x = 118,723,408,173.23/480,326.04
  6. Step 6: Final answer
    x = 247,172.54

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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.