Home / 554,504.20-831,177.42-402,333.64

Finding the Fourth Proportional to 554,504.20, 831,177.42 and 402,333.64

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Solution

The fourth proportional to 554,504.20, 831,177.42 and 402,333.64 is: 603,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,504.20 : 831,177.42 = 402,333.64 : x
  2. Step 2: Convert to fraction form
    554,504.20/831,177.42 = 402,333.64/x
  3. Step 3: Cross multiply
    554,504.20x = 831,177.42 × 402,333.64
  4. Step 4: Simplify right side
    554,504.20x = 334,410,636,874.41
  5. Step 5: Solve for x
    x = 334,410,636,874.41/554,504.20
  6. Step 6: Final answer
    x = 603,080.44

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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.