Home / 461,328.48-692,033.04-128,905.44

Finding the Fourth Proportional to 461,328.48, 692,033.04 and 128,905.44

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Solution

The fourth proportional to 461,328.48, 692,033.04 and 128,905.44 is: 193,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,328.48 : 692,033.04 = 128,905.44 : x
  2. Step 2: Convert to fraction form
    461,328.48/692,033.04 = 128,905.44/x
  3. Step 3: Cross multiply
    461,328.48x = 692,033.04 × 128,905.44
  4. Step 4: Simplify right side
    461,328.48x = 89,206,823,515.74
  5. Step 5: Solve for x
    x = 89,206,823,515.74/461,328.48
  6. Step 6: Final answer
    x = 193,369.43

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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.