Home / 543,579.14-815,273.93-144,260.28

Finding the Fourth Proportional to 543,579.14, 815,273.93 and 144,260.28

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Solution

The fourth proportional to 543,579.14, 815,273.93 and 144,260.28 is: 216,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,579.14 : 815,273.93 = 144,260.28 : x
  2. Step 2: Convert to fraction form
    543,579.14/815,273.93 = 144,260.28/x
  3. Step 3: Cross multiply
    543,579.14x = 815,273.93 × 144,260.28
  4. Step 4: Simplify right side
    543,579.14x = 117,611,644,697.20
  5. Step 5: Solve for x
    x = 117,611,644,697.20/543,579.14
  6. Step 6: Final answer
    x = 216,365.27

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1.5x scale

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.