Home / 482,420.02-723,664.77-127,429.42

Finding the Fourth Proportional to 482,420.02, 723,664.77 and 127,429.42

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Solution

The fourth proportional to 482,420.02, 723,664.77 and 127,429.42 is: 191,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,420.02 : 723,664.77 = 127,429.42 : x
  2. Step 2: Convert to fraction form
    482,420.02/723,664.77 = 127,429.42/x
  3. Step 3: Cross multiply
    482,420.02x = 723,664.77 × 127,429.42
  4. Step 4: Simplify right side
    482,420.02x = 92,216,181,915.53
  5. Step 5: Solve for x
    x = 92,216,181,915.53/482,420.02
  6. Step 6: Final answer
    x = 191,153.31

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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.