Home / 543,579.54-815,340.51-169,559.70

Finding the Fourth Proportional to 543,579.54, 815,340.51 and 169,559.70

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Solution

The fourth proportional to 543,579.54, 815,340.51 and 169,559.70 is: 254,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,579.54 : 815,340.51 = 169,559.70 : x
  2. Step 2: Convert to fraction form
    543,579.54/815,340.51 = 169,559.70/x
  3. Step 3: Cross multiply
    543,579.54x = 815,340.51 × 169,559.70
  4. Step 4: Simplify right side
    543,579.54x = 138,248,892,273.45
  5. Step 5: Solve for x
    x = 138,248,892,273.45/543,579.54
  6. Step 6: Final answer
    x = 254,330.57

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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.