Home / 554,276.70-831,743.10-365,283.45

Finding the Fourth Proportional to 554,276.70, 831,743.10 and 365,283.45

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Solution

The fourth proportional to 554,276.70, 831,743.10 and 365,283.45 is: 548,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,276.70 : 831,743.10 = 365,283.45 : x
  2. Step 2: Convert to fraction form
    554,276.70/831,743.10 = 365,283.45/x
  3. Step 3: Cross multiply
    554,276.70x = 831,743.10 × 365,283.45
  4. Step 4: Simplify right side
    554,276.70x = 303,821,989,081.70
  5. Step 5: Solve for x
    x = 303,821,989,081.70/554,276.70
  6. Step 6: Final answer
    x = 548,141.37

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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.