Home / 320,722.02-480,940.80-170,934.36

Finding the Fourth Proportional to 320,722.02, 480,940.80 and 170,934.36

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Solution

The fourth proportional to 320,722.02, 480,940.80 and 170,934.36 is: 256,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,722.02 : 480,940.80 = 170,934.36 : x
  2. Step 2: Convert to fraction form
    320,722.02/480,940.80 = 170,934.36/x
  3. Step 3: Cross multiply
    320,722.02x = 480,940.80 × 170,934.36
  4. Step 4: Simplify right side
    320,722.02x = 82,209,307,845.89
  5. Step 5: Solve for x
    x = 82,209,307,845.89/320,722.02
  6. Step 6: Final answer
    x = 256,325.74

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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.