Home / 554,439.36-831,659.88-133,715.22

Finding the Fourth Proportional to 554,439.36, 831,659.88 and 133,715.22

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Solution

The fourth proportional to 554,439.36, 831,659.88 and 133,715.22 is: 200,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,439.36 : 831,659.88 = 133,715.22 : x
  2. Step 2: Convert to fraction form
    554,439.36/831,659.88 = 133,715.22/x
  3. Step 3: Cross multiply
    554,439.36x = 831,659.88 × 133,715.22
  4. Step 4: Simplify right side
    554,439.36x = 111,205,583,819.37
  5. Step 5: Solve for x
    x = 111,205,583,819.37/554,439.36
  6. Step 6: Final answer
    x = 200,573.03

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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.