Home / 543,945.15-815,410.44-183,865.47

Finding the Fourth Proportional to 543,945.15, 815,410.44 and 183,865.47

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Solution

The fourth proportional to 543,945.15, 815,410.44 and 183,865.47 is: 275,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,945.15 : 815,410.44 = 183,865.47 : x
  2. Step 2: Convert to fraction form
    543,945.15/815,410.44 = 183,865.47/x
  3. Step 3: Cross multiply
    543,945.15x = 815,410.44 × 183,865.47
  4. Step 4: Simplify right side
    543,945.15x = 149,925,822,214.64
  5. Step 5: Solve for x
    x = 149,925,822,214.64/543,945.15
  6. Step 6: Final answer
    x = 275,626.73

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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.